Think before you write, ______ you will get good grades in the exam.
| A．or | B．though | C．and | D．but |
A large number of children ________ standing outside the office when I got there. The number of the children _____ 2,500.
| A．is; are | B．is ; is | C．are ; is | D．are ; are |
_______ a medicine box under her arm , Miss Zhao hurried to look after the man.
| A．with | B．to | C．of | D．for |
Linda often helps her mother ______ the housework on weekends.
| A．with | B．to | C．of | D．for |
Nobody thought it is easy to finish so much work in ___________.
| A．two days’ time | B．two-days time | C．two day’s time | D．two days time |
________ plenty of fun things to do if you choose the travel path.
| A．There are going to have | B．There is going to be |
| C．There will be | D．There will have |