Đáp án + Giải thích các bước giải:

`28.` isn't going to be

`29.` is going to be

`30.` are only going to happen

`31.` is going to come

`32`. are going to come

`33.` am going to have

`34.` is going to buy

`35.` are going to visit

`36.` is going to play

`37.` is going to go

`38.` are going to sell

`39.` không có chỗ cần điền

`40.` are/going to do

`41.` is going to rain

`42.` am going to be

`43.` am going to visit

`44`. is going to like

`45.` are going to visit

`46.` am going to call

`47.` am going to hold

`48.` am going to see

*Công thức thì tương lai gần (be going to):

`(+):` S `+` am/is/are `+` going to `+` V.

`(-):` S `+` am/is/are not `+` going to `+` V.

`(?):` Am/Is/Are `+` S `+` going to `+` V?