You have a big mouth,Tom. You have told everybody the secret.
| A．shouldn’t | B．mustn’t | C．can’t | D．mightn’t |
Peter is my best friend. He often helps ______ with science.
| A．me | B．you | C．him | D．her |
－Who’s that man?
－Jeremy Lin. He’s _______ American basketball player.
| A．a | B．an | C．the | D．/ |
— You look puzzled at the news.
— Yes. I just can’t imagine _____ he could have done such a thing.
| A．what | B．how | C．whether | D．Where |
—How are things going, Jenny?
—They have set out to deal with the present situation ______ they think deserves their immediately attention.
| A．what | B．where | C．when | D．which |
Little _____ about her own safety, though she was in great danger herself.
| A．did Mary care | B．Mary did care | C．Mary does care | D．does Mary care |