Had the governments and scientists not worked together，AIDS﹣related deaths _______ since their highest in 2005．（ ）
| A． |
had not fallen |
| B． |
would not fall |
| C． |
did not fall |
| D． |
would not have fallen |
I would rather she_____ here tomorrow because I’m too busy.
| A．will come | B．would come |
| C．had come | D．came |
The boss insisted that every minute ______ made full use of ______ the work well.
| A．be; to do | B．was; doing |
| C．be; doing | D．was; to do |
---It rained cats and dogs this morning. I’m glad we took an umbrella.
---Yeah, we would have got wet all over if we ______.
| A．haven’t | B．didn’t |
| C．don’t | D．hadn’t |
----Where have you been?
---- I _______ stuck in the traffic. I ________ here earlier.
| A．had got; would have been |
| B．have got; would be |
| C．got; had done |
| D．got ; would have been |
In this country it is required that anyone who wants to settle here ______ to pass this kind of test.
| A．has | B．must have |
| C．have | D．will have |