The boy________his mistake before his teacher told him．
| A．realizes |
| B．has realized |
| C．had realized |
| D．would realize |
They________about eight hundred English words by the end of last term．
| A．have learned |
| B．had learned |
| C．will learn |
| D．are going to learn |
There are a few miles to the top of the mountain．If we hold on，we will________．
| A．reach |
| B．get to |
| C．come true |
| D．make it |
I thought my deskmate would be________for class，but he was late again．
| A．on time |
| B．in time |
| C．at times |
| D．at any time |
My mother kept working for 12 hours．Now she is________and needs a good rest．
| A．embarrassed |
| B．exhausted |
| C．lucky |
| D．energetic |