Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
| A．since | B．after | C．unless | D．before |
So difficult ___________ it to live in an English-speaking country that I determined to learn English well.
| A．I have felt | B．I felt |
| C．I did feel | D．did I feel |
In front of the farmhouse ______.
| A．lay a peasant boy | B．laid a peasant boy |
| C．a peasant boy lay | D．did a peasant boy lie |
Because of my ______ English, I can't make myself ______.
| A．broken; understand | B．broken; understood |
| C．break; understood | D．breaking; understanding |
Most of the people _______ to the party were famous scientists.
| A．invited | B．to invite |
| C．being invited | D．inviting |
—I didn’t know this was a one-way street, officer.
— ________
| A． That’s all right. |
| B． I dont believe you. |
| C． How dare you say that? |
| D． Sorry, but that's no excuse. |