＿＿many times, he still didn’t make sense of it.
| A．Having been told | B．Then he was told |
| C．Being told | D．He was told |
______ I’m well again, I can go on with my work.
| A．Even if | B．As though |
| C．Ever after | D．Now that |
He wants to see changes in the company and I am sure he will, ______.
| A．on time | B．at a time | C．at one time | D．in time |
________ seems strange to us is ________ the troublesome boy is getting along well with all his teachers.
| A．It; that | B．What; how | C．It; how | D．What; that |
We should consider the students’ request _____ the school library provide more books on popular science.
| A．that | B．when | C．which | D．what |
Working hard is not only a _____ of great success, but it is among the essential requirement.
| A．sign | B．singal | C．guarantee | D．expectation |