—The light in his room is still on. Do you know________?
— To prepare for the coming exam, I think.
A.if he works hard B.why he stays up so late
C.why is he so busy D.what is he doing
Now, the hottest topic________ people are talking about is the epidemic prevention of the novel coronavirus throughout the world.
A.where B.who C.when D.that
Jane works as________as Mike in order to catch up with him.
A.harder B.hardly C.hard D.more hardly
Jim shows interest in________Chinese festivals and he hopes to come to China one day.
A.weekly B.traditional C.physical D.possible
Percy called me to come to the party, but she herself didn’t________.
A.show around
B.show up
C.put up
D.come up with
______ interesting work it is to teach children!
A.What B.How C.How an D.What an