Could we complete the task according to the schedule?—I doubt that．The problem remains _____ we can get financial aid from the government．

How close parents are to their children ________ a strong influence on the development of the children’s characters.

ildren,____ had played the whole day long, wereworn out

win the first prize in the nationalcompetition, _______ he is likely to be admitted to Peking University

Knowing office rules — whether ______ or not — is important, especially for young job seekers[ ]