—I can hardly believe my eyes. Is that you, Lucy?—Yes. It has been almost 20 years ______ we were together.
If you have any problem, you can _________me for help. Which is wrong?
The Smiths _______ China for ten years , so they have been used to the life here. A. have been to B. have gone to C. have been in
Our special is ________ soup.
--- Where is your mother? --- She _______ to Sichuan on business. She has ______ there four times recently.
There ________ any computers on our desks.