It seems that he is not fit for the job, ________ is more experience．

A．and that he calls for

B．where he calls for

C．and what he calls for

D．for which he calls

Mr．Brown, our biology professor, announced we would be doing two papers and three exams this semester．I wonder how I'm going to ________ when ________ courses have similar requirements．

A．pull through; two other

B．look through; the other two

C．follow through; the two other

D．break through; other two

Alex threatened that he would throw me downstairs; but I made him ________ his words．

A．break

B．keep

C．eat

D．weigh

People are more likely to go to ________ mall than visit the tailor when shopping for clothes these days, so tailors have adapted to ________ new reality．

A．a; the

B．the; the

C．the; a

D．a; a

Mary is very clever and ________ worth teaching, but her brother is not．Look, he is now ________ asleep in class．

A．very; very

B．much; very

C．well; very

D．well; fast

Mr．Smith had qualified as a lawyer but later gave up the ________ of law for full-time writing．

A．prescription

B．practice

C．treatment

D．procedure

My close friends, after they heard about my experiences in South America, ________ said it was totally out of their imagination．

A．which

B．them

C．all

D．who

We don't have to keep these old chairs any more．________ , they are falling apart(支离破碎)．

A．Therefore

B．However

C．Otherwise

D．Anyway

Nowadays school bus safety has drawn much attention nationwide for children's safety is ________ worries parents most．

A．why

B．which

C．that

D．what

If you are going to stay in the United States for longer than a(n) ________ visit, you may be interested in learning more about its people and culture．

A．formal

B．regular

C．brief

D．unexpected