You’re our manager, so ______ or not you’ll attend today’s meeting is very important.
| A./ | B. what | C.if | D.whether |
John said he had been working in the office for an hour, _______ was true.
| A.he | B.this |
| C.which | D.who |
The science of medicine _______ progress has been rapid lately is perhaps the most important of all the science.
| A.which |
| B.in which |
| C.that |
| D.with which |
Is this the reason _______ at the meeting for his carelessness in his work?
| A.he explained |
| B.what he explained |
| C.how he explained |
| D.why he explained |
This is Mr. White, _______ I think has something interesting to tell you.
| A.which | B.whom |
| C.that | D.who |
_______ has been announced, we shall have our final exams next month.
| A.That | B.As |
| C.It | D.What |