Computers must be of great use to ________ doing the scientific research.
By the end of last year, we _________seven hundred English words.
------I’m afraid I can’t finish the book within this week. ------______.
According to a UN report,one third of the world population have noto clean drinking water and health care.
— So you missed the meeting. — ______. I got there five minutes before it finished.
— I’m fed up with this rain. How I wish to go hiking this weekend! — Forget it. I’m afraid the wet days will _____.