---Hi, Johnson, any idea where Susan is?
---It is class time, so she __________ in the classroom now.
A. can be B. must have been
C. might have been D. should be
_____ the deaf children, the young lady has little time to care for her own daughter.
A. Devoted to teach B. Devoted herself to teaching
C. Devoting herself to teaching D. Devoting to teaching
--- _______ made her struggle to become an artist so hard?
--- ______ she was a woman.
A. What; What B. That; That
C. What; That D. That; What
Occasions are quite rare ____ I have the time to spend a day with my kids.
A. who B. which C. why D. when
We got to the top of a mountain _________ we can see the whole city.
A. at where B. from there
C. from where D. there
______ exceptionally heavily might railway services be temporarily dislocated (扰乱).
A. If only it snowed B. Only in case it snows
C. Only were it to snow D. Only when snow
