The demand for English teachers in Vietnam has gone through the ______ in recent years, leading to a sharp rise in their salaries. A. roof B. hill C. moon D. tree

The electricity will be reconnected _____ the bill. A. when you will pay B. when you pay C. when you are paying D. when you are going to pay

Anne always does whatever Frank tells her to do. She’s like _____ in his hands. A. butter B. glue C. putty D. clay

Regrettably, the popularity of this lake with tourists has contributed _______ its pollution. A. with B. to C. of D. for

he coastal areas have been severely _____ by the disposal of harmful chemical rubbish. A. pollute B. polluted C. polluting D. pollution

The beach we went to last summer was beautiful,______? A. wasn't it B. didn’t we C. weren't we D. didn’t it

You are not permitted to use your mobile phones during the test. A. You mustn't use your mobile phones during the test.B. You needn’t use your mobile phones during the test.

Kate was the first applicant _____ a thank-you letter to the company. A. wrote B. written C. to write D. writing

The shop often closes at 7 p.m., _____? A. does it B. isn’t it C. is it D. doesn’t it

______, she will keep applying for positions. A. As soon as she found a new job B. By the time she was finding a new job C. Until she finds a new job D. After she had found a new job

The museum of modern art we went to yesterday was fantastic, but the entrance _____ was a bit expensive. A. charge B. cost C. fee D. ticket

The book, ______ to read by my teacher, is quite interesting. A. recommending B. was recommending C. recommended D. was recommended

The teacher was satisfied ______ the students' progress. A. in B. with C. about D. on