829.Miss Brown is very busy, isn't she?
So she is. She has ___ greater responsibilities since she was promoted.
A.taken off
B.taken after
C.taken in
D.taken on
830.Very little use was ___the waste water in the past.
A.made of
B.make from
C.made up
D.make into
829.答案是D;
考查动词的习惯搭配。此处 take on greater responsibilities 承担更大的责任。
830.答案是A;
考查动词短语在具体语境中的活用。此处为make use of的变体,故选A。