n arrived at Sheremetyevo International airporton June 23, _____ he was prevented from leaving for six weeks after the UScanceled his passport

I want to _________ at the meeting, but inthe end I _________ nothing.

To _____ surprise, no one volunteered for the position of monitor.

Scientists say it may be five or six years _____ it is possible to test this medicine on human patients.

Li Na is famous all the tennis fans in China know her.