In each room_____ten students.
A. are
B. is
C. there is
D. there was
No sooner had he found his purse missing____he cried and shouted loudly.
A. when
B. than
C. before
D. while
______a research student, i would at least master two foreign languages.
A. Should I become
B. I should become
C. Would I become
D. Have I become
_____, you won't be able to do it alone.
A. However you try hard
B. You try hard however
C. However hard you try
D. Hard you try however