There must be _____ book which could help .
| A．some | B．any | C．one | D．one useful |
The number of deer, mountain lions and wild roses ____ much if people leave things as they are.
| A．doesn' t change | B．don't change | C．change | D．changed |
A large number of students in our class____ girls.
| A．are | B．was | C．is | D．be |
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 |