The reason _____ he gave for his absence is _____ he was drunken.
| A.why; that | B.because; that | C.that; because | D.that; that | 
These natural parks are very important for preserving many animals, which would _______ run the risk of 
 becoming extinct.
| A.otherwise | B.therefore | C.nevertheless | D.however | 
People are always on the go , so they spend their weekend on housework .
| A.most | B.almost | C.mostly | D.nearly | 
On the third floor there are two rooms, _____ is used as a meeting-room.
| A.one of them | B.the larger of which | C.and a larger of them | D.the largest one of which | 
—Are you satisfied with her work, sir? —Not at all. It couldn’t be any _______.
| A.better | B.best | C.worse | D.worst | 
—You know our manager has been in hospital for days?
 —Yes.I wonder if he is ___ better now.
| A.any | B.some | C.very | D.too |