They tossed your thoughts back and forth for over an hour, but still could not make __________ of them.
A) impression
B) comprehension
C) meaning
D) sense
注：1. make sense of 理解，明白
conceive of 设想
perceive 察觉
receive 收到
2. impression 印象
expression 表达
oppress 压制，压抑
depress 沮丧
3. comprehension 理解
apprehension 理解，领悟；忧虑，恐惧
The politician says he will __________ the welfare of the people.
A) prey on
B) take on
C) get at
D) see to
注：1. prey on 以……为食，捕食
2. take on 承担；流行
3. get at 理解，明白（一般不是答案）
catch on = make sense of 理解明白（常考）
4. see to 照顾，照看