【推荐1】How long has Mr. Smith ________ (教) English so far?

【推荐2】Who ________ (teach) you to swim? Was it your father?

【推荐3】Your English sounds great. Who ________ (teach) you? Did you learn it by yourself?

【推荐1】Complete the sentences with the given words in their proper forms
1. Nowadays people can’t explore all the_______ things under the sea. （alive）
2. He_______ in the war and was taken prisoner by the Americans. （ fighter）
3. Petrol is the most important ______of many Middle-East countries. （produce）
4. The information in the timetable is ______for students to take classes. （ main）
5. After a quiet and ______night of sleep, she is full of energy now.   (relax)
6. Speech is the fastest method of ______between people. ( communicate)

【推荐2】His bike ________ (break) down on the way to school this morning, so he was late for school.

【推荐3】Seeing his mother so worried,he r_____ telling her the bad news.

【推荐1】Charlie ________ (get) a letter from his old friend in Singapore last Wednesday.

【推荐2】When I ________（进入) the hall, the report had begun and people were listening carefully.

【推荐3】I ________(buy) a new bike for my son this morning.