All of us still remember the terrible earthquake that _________ Wenchuan several years ago.
| A．attacked | B．struck |
| C．knocked | D．Exploded |
“The interest_______ be divided into five parts, according to the agreement made by both sides,” declared the judge.
| A．may | B．should | C．must | D．shall |
--- Please don't make a noise.
--- _______I'll be as quiet as a mouse.
| A．Yes, I won’t | B．No, I will | C．Yes, I will | D．No, I won't |
—Turn off the TV, Jack. ____your homework now?
—Mum, just ten more minutes, please.
| A．Should you be doing | B．Shouldn't you be doing |
| C．Couldn't you be doing | D．Will you be doing |
. —What do you think we can do for our aged parents?
—You ________ do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to | C．mustn’t | D．can’t |
His lack of professional knowledge _______for the failure of the experiment.
| A．accounted | B．explained | C．counted | D．contributed |