Directions:There are 30 incomplete sentences in this part.For each sentence,there are four choices marked A，B，C and D．Choose the one that best completes the sentence，and then mark the corresponding letter on the Answer Sheet.

Hearing that he had passed_____health examination,he immediately made_____call to his parents.

A.a;  /

B.the;  /

C.the;  a

D.a;  the

_____you are,friends are an important part of life at every stage．

A.Whatever

B.Whenever

C.Wherever

D.Whoever

Although we waited more than half an hour,Mary didn’t turn_____at the conference room.

A.over

B.in

C.up

D.out

Maria hadn’t seen me for a few years,but she_____my voice on the phone immediately.

A.realized

B.recognized

C.repeated

D.reminded

The student needed a letter of_____to apply for the post of a secretary.

A.invitation

B.recommendation

C.register

D.inquiry