Don’t walk so fast. You must cross the road as _______as possible.
| A．carefully | B．more carefully |
| C．quickly | D．more quickly |
--- When did your father come back last night?
--- He didn’t come back _______ he finished all the work.
| A．until | B．while | C．if | D．unless |
I think Kate will come if she _______ free this afternoon.
| A．is | B．will be | C．was | D．are |
---I hope you _______ my party next weekend?
--- OK, I _______ .
| A．to come in; will | B．come to; will |
| C．came: am | D．will come to; will |
I was doing my homework _______ mother was cooking.
| A．when | B．while | C．as | D．what time |
No one knows what _______ in fifty years.
| A．will our life be like | B．is our life like |
| C．our life will be like | D．our life is like |