The role that our army_____ in flood control is very important.
A. made B. acted C. played D. did
I was very______ for him because he helped me out of trouble.
A. grateful B. calm C. loose D. worried
We should consider the students’ request that the school library_______ more books on popular science.
A. provide B. was provided C. provided D. should be provided
--have you ever been to Beijing before?
--No. it is the first time that I ____here.
A. am B. be C. have been D. had been
catch the first bus, he got up very early this morning.
A. In order to B. In order that C. So as to D. So that
My mother asked me______ enter my room.
A. whether she could B. when could she C. that she can D. how can she
