—I really appreciate______ time to relax. —I don’t doubt ______ able to do so.
I’d prefer ______ in the office rather than _____ at home watching TV.
Sometimes customers can’t help _____ the things they don’t really need.
Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
A modern city has been set up in _____ was a wasteland a few years ago.
The boss commanded that the task ______ before 5 o’clock this afternoon.