问题
Where have you been recently?— I ________ in Beijing on business for a week last month[ ]
A: have worked
B: was working
C: have been working
D: worked
B: was working
C: have been working
D: worked
正确答案是：
同类题型
You don’t seem to be quite yourself today, do you? —I’m suffering from a cold Nothing serious, ____
1The whole class _____ the teacherattentively
It took us one year ________ the bridge.
Leave your key with a neighbor _______ you lock your-self out one day
ne of my Japanese friends sent me two_____, but I didn’t accept them.