—You look a bit worried.What has happened? —So I do.You see,the computer I got ________ yesterday doesn’t work again.
The square was so named ____a famous black leader in history.
_____in the queue for half an hour, the old man suddenly realized he had left the purse in the office.
One of the most famous monuments _____the country by France.
I hear you’ve employed Jack, but he didn’t mention _____when we talked on the phone.
Had Wang Ling received six more votes in the election of out class,she _____our monitor now.