John and I＿＿＿friends for eight years.We first got to know each other at a Christmas party.But we＿＿＿＿＿ each other a couple of times before that.
| A．had been； have met | B．have been； have met |
| C．had been； had met | D．have been； had met |
It was _______ she was injured in the accident _______ she didn’t come to the party yesterday.
| A．as; which | B．because; that |
| C．since; why | D．for; that |
— What field will your son go into after graduation?
— I’m not sure, but he ______ a good teacher of English.
| A．promises | B．becomes | C．turns | D．proves |
— You could have asked Mr. Richard for help. He’s kind-hearted.
— Yes. But that _______ him a whole day.
| A．would have taken | B．had taken |
| C．would take | D．took |
Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
| A．what you have learned | B．how what you have learned |
| C．that what you have learned | D．how that you have learned |
If you have the chance to take charge of the department, the first thing to do is to find out what _______ of you.
| A．will need | B．will require |
| C．is needed | D．is required |