AI will surely be a feature of future life, but it _____ be used responsibly and in a proper way.
A.can B.need C.must D.will
—Must I hand in the homework right now?
—‘That’s the rule． ____________
A.Yes，you can． B.No，you can’t．
C.Yes，you must． D.No，you mustn’t．
More and more countries have come to realize that the world____ do without Huawei and its "more advanced" technology.
A.can’t B.needn’t C.mustn’t D.shouldn't
The phone is ringing! ________ it be your teacher Shawn? He was looking for you the whole morning since you’ve got so many Fails!
A.Can B.Would C.May D.Will
He ______ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
A.shouldn’t be B.can’t have finished
C.can’t be D.mustn’t have finished
假定你是校排球队队长李华。请写封邮件告知你的队友Chris球队近期将参加比赛，内容包括:
1. 比赛信息；
2. 赛前准备；
3. 表达期待。
注意:
1. 词数100左右；
2. 可以适当增加细节，以使行文连贯。
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
