【推荐1】It ________ (be) three years since we last saw our primary school classmates.

【推荐2】So far, Mr Smith ________ (be) in Hong Kong for three days and will be back in two days.

【推荐3】_______ the tourists ________________ (remind) to wear warm clothes before they climbed the mountain?

【推荐1】I can’t r________ her invitation, so I’ll go to her party.

【推荐2】I’m sure if you ask her for help, Alice won’t ____________ (拒绝).

【推荐3】Last Sunday, a stranger offered to give Millie a ride on the street, but she ______ politely. (拒绝)

【推荐1】The film Hi, Mom is very popular. So far it ________ (watch) by a lot of audience.

【推荐2】适当形式填空
1. Which language is the most widely___（speak） in the world？
2. No permission___（give） for anybody to enter the building．
3. Some of the swamps have been___（pollute）．
4. The sick man___（operate） on now．
5. We hope that more charity shows___（hold） to raise money for Project Hope．

【推荐3】Because of the heavy snow, the basketball match has been ________ (cancel).

【推荐1】As we know, if dogs are ________ (keep) in small space, they may feel unhappy.

【推荐2】—When is the letter “k” silent in words?
—Give you an example. It is not ________ in the word “know”.

【推荐3】Have you s__________ in getting a place at the best university?