_______ his help, we finished the work on time.
| A．Thanks for | B．Thank | C．Thanks to | D．Because |
“How many students are there in your school?” “ the students in our school ______over two thousand.”
| A．The number of; is | B．The number of; are |
| C．A number of; is | D．A number of; are |
He is _____ unusual writer. He can write _____ useful book.
| A．a; the | B．an; an |
| C．the; an | D．an; a |
---- I have very good grade in English this time .
---- _______________!
| A．Congratulations | B．Best wishes |
| C．Good luck | D．Come on |
I didn’t understand my parents why they are so strict ______ me ______ my schoolwork.
| A．with ; of | B．with ; in |
| C．of ; with | D．in ; with |
Both red and black represent _____ . But I prefer to wear red when I feel tired .
| A．powerful | B．power | C．peace | D．peaceful |