问题
Why, David, you look so tired! –Well, I ______ a report for the whole day and I must finish it tomorrow
A:was writing
B:will be writing
C:have written
D:have been writing
B:will be writing
C:have written
D:have been writing
正确答案是：
同类题型
Have you finished ______ your clothes—No, I haven’t.
South Africa president Nelson Mandela has passed away ____December 5th,2013___the age of 95.
－ Do you think the English class is_____________ － Yes, I enjoy it very much.
____ Helen’s knowledge and vocabulary expanded, she asked more and more questions