1/ always/class/time /we/to / come /on.
---> We always come to class on time.
2/ hours/week /often/ does /how/he /many /a/work?
---> How many hours a week does he often work?
3/ not / American / uniforms / do / usually /school /wear/ students.
---> American students do not usually wear school uniforms.
4/ 10:00/at/Wednesday / Science / Nam/ class / on /has.
---> Nam has Science class on Wednesday at 10:00.
5/ interesting /I / because/ Math /it/ like / is.
---> I like Math because it is interesting.
6/ like / what/ does / subject /best /Tom?
---> What subject does Tom like best?
7/ you /work / to /want / we/ with.
---> You want to work with me.
8/ Know / you / do / likes / he /how / meat?
---> How do you know he likes meat?
9/ There / excuse /a/!/post / is / me / near/ office /here?
---> Excuse me! Is there a post officr near here?
10/ That / you / the /,/ want / is / post / letter / to / Mai?
---> Is that the letter you want to post, Mai?
11/ Is / interested / Mai / experiments / doing / in.
---> Mai is interested in doing experiments.
12/ him / tell /I'll/please / call / after /5/again.
---> Please tell him I'll call again after 5.
13/ Huong/be / November 20th / , / twelve / on / will /Saturday
---> Huong will be twelve on Saturday, November 20th.

1.we always come to class on time.

2.how often does he many a work hours week?

5.i like math because it is interesting.

6.what does Tom like subject best?

7.we want to work with you.

9.excuse me!there  is a post office near here?

11.is Mai interested doing in experiments.

13.Huong will be twelve, on november 12th saturday.