— Mum，I really think Dad should have a break and get relaxed．
—Yes．He  too long．

Last year I applied to Princeton University. I ________ they would say yes — but they did, and now here I am．

Don’t telephone me at 8 a.m. tomorrow — I ________ a meeting.

—You seem familiar with Mr. John?
—Of course, we________ together for three years in the 1990s.
have worked    B. had worked    C. are working     D. worked

There are lots of problems in your hometown, but we're happy to see many of them___________.

----- The windows must have taken you quite a long time that day.
----- Right. They ______ for months.

Once harm ______ to the environment, it takes years to have the system recovered.

Last night my neighbors ______ such a loud noise at the party that I couldn’t sleep at all.

----- What is the price of petrol these days？
-----Oh, it ______ sharply since last month.

--- Julia hurt her back when she fell, and she is now in hospital.
--- Oh, really? I _____ know. I _____ go and visit her.