问题

Generally speaking, according to the directions, _____ the drug has no side effect.

A:when taken
B:when taking
C:when to take
D:when to be taken

正确答案是：

同类题型

Didn’ you go to your sister’ wedding?—No, didn’; I’d like to have, ______[ ]

Dad. there is something wrong with my notebook computer.- OK, I_______ an engineer to check it for you.

The outbreak of this incident has given us much for thought, forcing us to ______ seriously on the past and the future.

ke to buy a house — modern, firm, comfortable,and ________ in a quiet neighbor-hood.

Why did you come by bus? —My car broke down yesterday evening and I ________ it repaired