—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
After visiting China, most of the foreign friends said they would never forget the time _________they had spent in China.
, I think, and the problem could be settled.
Nowadays, few people form the habit of keeping the habit of candles in the house in case of power .
To keep healthy, she cycling as a regular form of exercise after he retired.
I can’t remember when exactly Robinsons left city, I only remember it was Monday.