题目内容
选择填空:
I have stayed with my uncle for ______.
[ ]
A. sometime B. sometimes C. some time D. some times
I have collected ______ 50 coins from ______ 10 countries.
A. more than...over B. more...less
C. over...many D. fewer than...fewer
I have been busy ______ and article these days. That's why I haven't been able to write to you until now.
A. write B. to write C. writing D. wrote
I have never been to Xi'an. He has never been there. ______.
A. too B. also C. as well D. either