475.Joseph ______ to evening classes since last month,but he still can't say what's your name? In Russian.
A.has been going
B.went
C.goes
D.has gone
476.Have you got any job offers?
No.I _________.
A.waited
B.had been waiting
C.have waited
D.am waiting
475.答案是A;since last month与完成时连用，但根据but后的句意，说明动作从过去到现在一直在进行着，故用现在完成时更妥。
476.答案是D;用现在进行时表示正在进行的动作或存在的状态。
