The room is empty except for a bookshelf ________ in one corner.
| A．standing | B．to stand |
| C．stands | D．stood |
Be careful about everything for your carelessness will __________our difficulty.
| A．add up to | B．add in | C．add up | D．add to |
Experts are trying to work out a plan to deal with the problems caused by global warming _________ it is too late.
| A．if | B．before | C．when | D．until |
Look over there—there’s a very long, winding path _________ to the house.
| A．leading | B．leads | C．led | D．to lead |
It is in Hong Kong _______ you’re going to find the cellphone _________ you have been wanting to buy.
| A．that; that | B．where; which | C．where; / | D．that; what |
We are all ________ with the natural beauty of Lijiang and decide to visit it again next year.
| A．moved | B．impressed | C．depressed | D．interested |