【题目】你知道他对这个问题的看法吗？(attitude to/towards)

【题目】她讲解的语法如此清楚以至于我们很容易理解她。（用so…that 句型）

A. to improve B. to improving

C. in improving D. of improving

【题目】Scientists study ____ human brains work to make computers.
A.when
B.how
C.that
D.whether

【题目】In our class there are 46 students, ______ half wear glasses.
A.in whom
B.in them
C.of whom
D.of them

【题目】If you happen to get lost in the wild, you'd better stay ______ you are and wait for help.
A.why
B.where
C.who
D.what

A. as B. although

C. since D. while

A. with B. for

C. of D. at