Directions：In each of the following groups of words，there are four underlined letters or letter combinations marked A，B，C and D.Compare the underlined parts and identify the one that is different from the others in pronunciation.Mark your answer by blackening the corresponding letter on the answer sheet.
I.Vocabulary and Structure
Directions：There are 15 incomplete sentences in this section.For each sentence there are choice arked A，B，C and D.Choose one answer that best completes the and blacken the sentence corresponding letter on the answer sheet.
6、Thereno one to help me at this moment，I need to handle the work all by myself.
7、Mary took a part-time job last summer，but her parents were unhappy aboutshe did.
8、I did not do well on the writing exam，for the TOPic to write on was unfamiliarme.
9、I can hardly distinguish the two girls，since they look quite.
10、You’d better speak loudly at the meetingeveryone can hear you.
11、Peter wouldstay at home watching TV than go shopping with his mom.
12、By the time you return in two years，your hometown willa new look.
A.have taken on
C.have been taken on
D.be taken on
13、Please make sure that your name is entered in thespace when you fill out this form.
14、Reading aloud every day can be one of the mostways to improve your spoken English.
15、If Peter had told his teacher about his difficulty in math homework，shehim before the exam.
C.would have helped
D. world help
16、all the difficulties，the researcher continued her research.
A.In case of
B.In spite of
17、The organizers of the conference have arranged hotel rooms for those studentsfrom out of town.
D.to have come
18、The job applicant was worried about the interviewhe was well prepared.
19、It was suggested that this hardworking girlan example for other students.
B.will be set
C.could be set
D.had been set
20、Since computers were introduced，theyto be useful tools for people weak in math. A.had proved