1, sets

2, rains

3, build (câu này đề có lẽ là thiếu rồi bạn xem lại xem nhé)

4, make

5, are getting

6, circles

7, flows

8, will give; see

9, is playing; is coming

10, am not talking

11, does (she) go; goes

12, Are (your friends); are

13, Are (the children) playing

14, Do (you) go

15, is cooking; cooks

15, is (your mother) doing; is making

16, Does (she often) go

17, goes

18, aren’t

19, washes

20, am doing

21, think; know

22, buys

23, rains; is raining

24, is cooking; cooks

Give the correct form of these verbs:
1.The sun (set) ………………………………sets……………………………………………in the West.
2.It usually (rain) ……………………rains………………………………………………………in the summer.
3.They (build) ………………build…………………………………………………………….
4.Bees (make) ……………………make………………………………………honey.
5.They (get) ………………………are getting……………………………………………on the scale now.
6.The earth (circle) ………………circles………………………………………the Sun once every 365 days.
7.Rivers usually (flow) ………flow………………………………………… to the sea.
8.Don’t worry. I (give) ………will give……………………him your message when I (see) …………see……………… him.
9.Look! Jane (play) ……is playing……………………  the guitar. Hurry up! The bus (come) ……………is coming……………… .
10.I (not talk) …………am not talking ………………………………………… to her at present.
11.How often………does………………… she (go) ……………go…………… fishing?
  - She (go) ……goes………………………………once a year.
12.....are......... your friends (be)………………………… students?
  -Yes, they (be) ........are..................
13...........are..... the children (play)…………playing……………………………… in the park at the moment?
 -No, they aren’t. They (learn) ............are learning.......................... to play the piano.
14………do…………….you (go)……………go…………….. to school on Sundays? – Yes, I do.
15.My mother (cook) …………is cooking……………………………a meal now. She ( cook)……cooks……………… everyday.
15.What………is……………… your mother (do)……………doing……………. at this time? 
 - She (make)………is making………………………a dress.
16......does....... she often (go)……………go……………… to the cinema every weekend?
17.I don’t know. But she always (go) .......goes.................. to the church on Sundays.
18.The students (not be) ................aren't........................... in class at present.
19.She always (wash) .............washes....................... the dishes after meals. 
20.I (do) .............am doing.............................  an exercise on the present tenses at this moment and I (think) 21........think.................................... that I (know) ............know...............................  how to use it now.
22.My mother sometimes (buy) ..............buys............................. vegetables at this market.
23.It (rain) ............rains...............................  much in summer. It (rain) ..................is raining.........................  now.
24.Daisy (cook) .............is cooking.............................. some food in the kitchen at present. She always (cook) ......................cooks.....................  in the morning.