Williams sisters completed their high school_______ developing their tennis careers.
| A．as | B．until |
| C．when | D．while |
________ 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 |
We were strongly recommended that we _____ in Malaysia.
| A．didn’t travel | B．wouldn’t travel | C．hadn’t travelled | D．not travel |
_____ in Harvard is _____ most students wish for.
| A．Being educated; what | B．To educate; that |
| C．Eduacted; which | D．Educating; everything |