问题

Where have you been recently?—I ______ in Hangzhou on business for a week last month.[ ]
A: have been
B: was
C: had been
D: had gone
B: was
C: had been
D: had gone
正确答案是:
同类题型
To Chinese students who are learning English, more attention must ______ grammar.
It was several minutes before the applause________.[ ]
I won the 800-meter race yesterday. ______.
The report shows that we’re making some progress but ______ we need to make greater efforts
There are so many foggy days these years. We all wonder ______________________.