If you let challenges and difficulties benefit depress you, much more can be accomplished than you thought possible．
| A．more than | B．rather than | C．less than | D．other than |
If I can help____________ , I prefer living in Hangzhou because the weather here is better than ____________of Changsha.
| A．that; that | B．it; that | C．that; one | D．it; it |
____________, the car stopped all at once.
| A．Seeing a boy lying on the road |
| B．On seeing a boy sitting on the road |
| C．The minute the driver saw a boy seated on the road |
| D．The driver had seen a boy standing on the road |
Not only I but also Jack and Iris____________ fond of playing basketball.
| A．is | B．am | C．was | D．are |
If____________ , the polluted air can result in deadly diseases or even death.
| A．being breathed in | B．having been breathed in |
| C．breathed in | D．breathing in |
When she ____________ the car door, she realized she had left the key in her bedroom.
| A．opened | B．was to open | C．will open | D．had opened |