I'd like a pet,but I am busy all day.
Goldfish are a good choice.You____feed them every day.( )
must
can't
need n't
Whose book is this? It’s not___ book,____ is over there
The children enjoyed_______ very much last night.
—Is that _____________ new bike, Tom? --No, I lent _________ to Mike half an hour ago.
My uncle worked as a volunteer in Tibet last year. He told me a lot of his unforgettable _________ while working there.
- Why didn't you go on a trip with your family? - Well, I wanted to, but then I gave up that_______.