28. It is the first time that they _______ to the KFC.
A: . went
B: have gone
C: go
D: have been
A: . went
B: have gone
C: go
D: have been
举一反三
- Is this the first time you_______ to the Canton Fair? A: have been B: have gone to C: are D: go
- We ____________ to the zoo yesterday. A: have been B: go C: have gone D: went
- It is time we ___ to bed. A: must go B: will go C: went D: have gone
- It is high time we _________________ home. A: go B: went C: will go D: have gone
- It"s time I ______ school. A: have gone to B: go to C: will go to D: went to