Yesterday I helped an old man _______ lost his way.
A.what B.which C.who D.when
It is reported that Notre-Dame de Paris (巴黎圣母院) ________ in April 2019.
A.was burnt B.is burnt C.be burnt D.will be burnt
----When will your sister go to England?
----She London since four months ago.
A. went to B. has gone to C. has been to D. has been in
—What’s Mike doing now?
—He _________ an online class in his room.
A.was having B.has had C.is having D.are having
Right now we ________ stay at home to prevent the spread of virus (病毒).
A.may B.should C.can’t D.need
We don't think teenagers should be allowed to drive because they are not __________ enough.
A.serious B.more serious C.most serious D.the most serious
