Question

My colleague has been recovering gradually since the operation, and it wont’ be long ______ he comes back to work．

A．before

B．since

C．after

D．when

Answer 1

A

試題分析：考查連詞，before 意思“（直到…）才”，since意思“自從”，after意思“…之后”， when意思“當……時候”，句子意思“自從做完手術，我的同事一直在恢復，直到他回去工作用不了多長時間”，所以選A
點評：連詞是�？純热荩�尤其是before，注意它的用法，基本意思“在…之前”，最�？嫉氖莃efore 意思“（直到…）才”。