. Since last year, the global economic slowdown ________ in many countries. It is expected that the world economy will not recover until the end of 2010.

-Why can’t I smoke here? --At no time__________ in the dormitory.

Passenger: Look out! There’s a kangaroo wandering on the road! Driver:   ____ it! That was lucky. It can damage my car really badly.

. She insisted that she ______ somebody in the house.

 — Do you know when he ________ the trip to the USA?— Perhaps next week, but I’m not sure.