--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
Although he had______ many severe tests during his lifetime, he succeeded at last.
A. passed through B. gone through C. got along D. got through
It is not a serious illness. I guess she will ______ soon.
A. remove B. recover C. replace D. reduce
The scientist wrote down_____ series of things to do with______ nature, such as a blue sky.
A a, / B. a, the C. /, / D. /, the
