_____many times, he finally understood it.
| A．To be told | B．Telling | C．Having told | D．Having been told |
Mr. Brown, please point out my spelling mistakes, _____.
| A．if may | B．if have | C．if any | D．if has |
________ a reply, he decided to write again.
| A．Not receiving | B．Receiving not |
| C．Not having received | D．Having not received |
Don’t worry. We’ll keep you _______ what happens.
| A．informing of | B．inform of | C．informed | D．informed of |
Mr. Smith was quite satisfied with his new flat______ beside the West Lake Park and decided to settle down there.
| A．located | B．locating | C．to locate | D．locate |
_____, Carolina couldn’t get the door open.
| A．Try as she might | B．As she might try | C．She might as try | D．Might she as try |