-Ann is in hospital. -Oh, really? I_______ know. I_______ her for a long time.
A. didn't ; will see
B. don't ,will see
C. didn't ; haven't seen
D. don't ; haven't seen
It_______ ten years since Professor Du last_______ to the earth.
A. was; came B. has been; come
C. was, come D. is; came
Mike's father_______ to London last month. He_______ there three times.
A. went; had gone B. has gone; has been
C. went; has been D. has been; had gone
He used ____on the right in China, but he soon was used____on the left in England.
A. to drive; to drive B. to drive; driving
C. to driving; to drive D. to drive; to driving
根据句意,用括号内所给单词的适当形式填空。
1.It’s good manners to speak to the old ______________(polite).
2.________________ (communicate) between countries used to be very hard.
3.I was born in a ____________ (south) city in China.
4.Some ______________ (Canada) students will visit our school next week.
根据句意和汉语注释,写出单词的正确形式。
1.The famous actor was found ________________ (死的) at home last night.
2.The writer ________________ (接到,收到) thousands of letters every month in the past.
3.Just as the saying goes, “________________(实践,练习) makes perfect.”
4.We can often see signs like “No ________________ (实践,练习)” in parks.