Do you know _______ they got to know each other —- It was last year_______ they both taughtChinese in Scotland

How could you ________ your friend so easily?— She is the kind of person who ________ in a crowd. [ ]

known to all, Montreal is the second largest French-speaking city in the world, _______.

He ______ articles for our wall-newspaper these three years, and he ______ about forty articles

I’ve tried very hard to improve my English. But by no means _____ with my progress. 　　[ ]