They _______ for the Winter Olympics since 5 years ago.
A. train B. trained C. is training D. have trained
My grandma ______ a song with her friends when I came back.
A. sings B. sang C. is singing D. was singing
Be quiet! My father ______.
A. sleeps B. is sleeping C. has slept D. will sleep
We ______ to the museum if it doesn’t rain tomorrow.
A. go B. went C. have gone D. will go
— Can you come to my birthday party on Sunday, Mike?
— Sorry, I ______. I have to look after my little sister.
A. can B. can’t C. may D. mustn’t
The new library in our school is much ______ than the old one.
A. big B. bigger C. biggest D. the biggest
