It is no ____ arguing with Bill because he will never change his mind.
| A．way | B．help | C．time | D．use |
The party was a success ,but we thought it a pity not ______you.
| A．to invite | B．to be inviting | C．to have invited | D．to be invited |
.He went to American _____some English as well as ____.
| A．learning ,to travel | B．learning, traveling | C．to learn, travel | D．to learn ,to travel |
Do you have any letters ______ today?
-I had my son _______it this morning .Thank you anyway.
| A．post , to post | B．posting ,post | C．being posting , posted | D．to be post ,post |
_____more time, he’ll make a first-class tennis player.
| A．Having given | B．To give | C．Giving | D．Given |
I meant ____,but when I was leaving I couldn’t find her anywhere.
A.to do B. toC. doing D doing to