Cars do cause us some health problems—in fact far more serious _________ than mobile phones do.
| A．one | B．ones | C．it | D．those |
If I can help ______, I prefer living in Hangzhou because the weather here is better than ______ of Wuhan.
| A．that; that | B．it; it | C．that; one | D．it; that |
Do you remember it was on ______ Saturday night that you saw such ______ bright moon?
| A．a; a | B．the; the | C．a; the | D．the; 不填 |
_____ you have learned one foreign language, you will find it quite easy to learn another.
| A．Once | B．Before | C．Though | D．Because |
This book is for the students native language is not English．
| A．that | B．who’s | C．whose | D．which |
. He _____ live in the country; but now he has _________in the city.
| A．used to; been used to living | B．was used to; used to live |
| C．used to; be used to live | D．was used to; used to living |