If I hadn’t stood under the ladder to catch you when you fell, you ____ now.
| A．wouldn’t be smiling | B．couldn’t have smiled |
| C．won’t smile | D．didn’t smile |
You _____ get the machine repaired this week. I won’t need it until next month.
| A．mustn’t | B．needn’t | C．shouldn’t | D．can’t |
Our manager never fails to answer a phone call ______ she is very busy.
| A．since | B．once | C．even if | D．so that |
Because of the lack of funds, the tunnel project has already fallen behind ________.
| A．situation | B．speed | C．insurance | D．schedule |
The book is rather highly priced, but so well worth ______ that it should be begged or borrowed rather than missed.
| A．to read | B．to be read | C．reading | D．being read |
It was on the last day ______ a press conference was held by some committee members.
| A．where | B．that | C．when | D．how |