She often helps her mother ______ housework at weekends.
| A．do | B．to do |
| C．with | D．A,B and C |
--Do you think students should be allowed to do their homework with music on?
--. If so, they can't concentrate on the study.
| A．1 agree | B．1 think so | C．I disagree | D．I have no idea. |
Which of the following means “can be recycled"?
-- Hello, this is Jack. Mary I speak to Tom?
-- Sorry, he isn't in at the moment. If he back, I'II ask him to call you back.
| A．come | B．comes | C．have come | D．came |
volunteers are working for 2014 International Horticulture Exposition in Qingdao.
| A．Thousands of | B．Two thousands | C．Thousand | D．Two thousands of |
difficult questions the teacher is asking! Only a few students can answer them!
| A．What a. | B．How a | C．What | D．How |