问题

Students are encouraged to _________ the design competitionfor robots at the university.
A:take part
B:operate
C:join to
D:participatein
B:operate
C:join to
D:participatein
正确答案是:
同类题型
We all think it’s dangerous for _________ to drive.
for a second,” the boy says, “______ thatmy father would come to my rescue.”
We have to _________our schooltrip till next week because of the heavy rain.
Never should we forget the war and sufferings ________caused to the people
I can’t remember I put the book, and I need it for my homework now.