It's ______ he helped you that I'm ready to help him.
| A．the reason | B．for | C．because | D．since |
I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. this September.
A. to be heard B. to be hearing C. to hear D. to have heard
_____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
| A．Tiring; to admire | B．Being tired; admiring |
C．Tired; to admire | D．Tired; admiring |
_____ in thought completely, he didn’t even know what was going on.
| A．Losing | B．Lost | C．Having lost | D．Having been lost |
The manager introduced the rules that she would like to see _______ the next year.
| A．establish | B．establishing | C．established | D．to establish |
________ ，Mom had a cup of coffee and a few minutes’ rest．
| A．With her housework done | B．With her housework being done |
| C．With her housework doing | D．With her housework to do |