We can never forget the days ______ tens of thousands of medical staff from every province were pooled to help Hubei and the days ______ we, Chinese people, spent together supporting Wuhan.
A.when, which B.which, when C.what, that D.on which, when
What ______ fun it is to have a good chance to get so close to ______ nature!
A.不填; the B.a; the C.不填; 不填 D.a; 不填
Wechat is communications software whose purpose is to ______ barriers to communication.
A.break up B.break down C.break through D.break into
I waited for him at the train station for an hour and I was afraid that he may miss the train, but luckily, he showed up with only ten minutes ______.
A.remain B.to remain
C.remained D.remaining
Qingdao is an ______ city ______ the eastern coast of China.
A.attract; locating on B.attracting; lying in
C.attractive; located on D.attracted; lay in
Open the map and you will find Chengdu is ______.
A.twice the size of Shanghai B.twice as bigger as Shanghai
C.twice more than Shanghai D.more twice bigger than Shanghai
