— I wonder if I could use your mobile phone.
— ____.
| A．I wonder how | B．I don't wonder |
| C．Sorry， it's out of order | D．No wonder， here it is |
There ____ a pen, two pencils and three books on the desk.
| A．are | B．is | C．has | D．have |
20 They told me it would be cheap but ________it cost me nearly 5000 yuan.
| A．as a result | B．in a word | C．at last | D．in fact |
19. What way are you thinking of ______rid of the air pollution in our capital city.
| A．to get | B．getting | C．being getting | D．being got |
18. ---- Are you free after school?
---- Sorry. I’ve planned to treat a friend of mine to dinner _______for his help.
| A．in charge | B．in honour | C．in turn | D．in return |
17. Is this research center _________ you met some foreign guests last week?
| A．that | B．where | C．which | D．in which |