No one knows exactly when the first people arrived in _______ is now called California.
A.where | B.what | C.which | D.that |
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 |