– We really shouldn’t use paper napkins, you know.
-- I know. I stopped _____ last year.
| A．to use it | B．using it |
| C．to use them | D．using them |
My stomach feels terrible, I think I ate ___________ at lunch time.
| A．bad something | B．delicious something | C．something good | D．something bad |
We tried our best to ______, but she didn’t stop crying.
| A．call her up | B．cheer her up | C．give her up | D．wake her up |
By the time of last year, she ______ the piano for five years.
| A．learnt | B．has learnt | C．had learnt | D．will learn |
Tom likes the book ______ she borrowed from Jim.
| A．who | B．that | C．whom | D．whose |
—Listen! Peter is singing in the classroom!
—It _____ be him. He has gone back to his hometown.
| A．must | B．mustn’t | C．may not | D．can’t |