大学英语语法专题练习从句练习1. I hope all the precautions against air pollution, _ suggested by local government, will be seriously considered here. A)while B)since C)after D)as2. The problem of _ to select as his successor was quickly disposed of. A)what B) whom C)which D)how3. _ your opinions are worth considering, the committee finds it unwise to place too much importance on them. A )As
