Lin Tao, do you want to visit the Great Wall, —Sure, Wen Wei wants to.

Oh， there’s someone knocking at the door.—_______ must be that naughty boy.

The OPEC has recently cut back production and the price of oil has been ______ to $90 a barrel (桶).

Let’s ________ at the next bus stop, Jack. The shopping center is just there.—No problem.

Only when he reached the tea-house _________ it was the same place he’d been in last year.