________, I think, and all the problems could be settled.
| A．If you make more efforts | B．Making more efforts |
| C．A bit more effort | D．To make more efforts |
I'm afraid that I can't make myself ___ be cause of my poor English.
| A．understand | B．understanding | C．to understand | D．understood |
Our class _______ 55 students at that time.
| A．consisted of | B． consists of |
| C． made up of | D． was consisting of |
I don't want the children ___ out in such weather.
| A．take | B．to take | C．taken | D．taking |
The way he suggests to us doesn’t make______
| A．difference | B．opinions | C．use | D．sense |
_________ from the space, the Great Wall lies in the mountains like a huge dragon.
| A．Seeing | B．Seen | C．To see | D．Having seen |