【B3】
A. relation
B. relations
C. relationship
D. relationships
It is believed by many that the cancers of the lungs and throat are caused ______ by smoking.
A. mainly
B. partly
C. in some way
D. in no way
【B14】
A. since
B. which
C. when
D. with that
--When can I come for the photos? I need them tomorrow afternoon.--They ______ be ready by
A. can
B. should
C. might
D. need