—What about your TEFL test?

—I have answered all the questions, but I’m not sure _____ I could get a high enough score. 

A. what    B. if       C. when             D. why

The foreign expert put forward a plan at yesterday’s meeting, _____ all the people present spoke highly of.

  A. that   B. what C. which    D. when

Mike had just finished his lunch and was about to take a break _____ an unexpected visitor came.

  A. when   B. while    C. so   D. for

The main road _____ for repairs, so we had to change the route to the downtown.

A. is being closed                                        B. has been closed  C. was to be closed                    D. had been closed

____ the main idea of the text, and you will be able to answer the question.

A. Grasp                                                  B. To grasp C. Grasping D. Grasped

The car is environmentally friendly because it uses electricity instead of gas. _____, it is less expensive.

  A. Besides    B. However  C. Instead  D. Therefore

She showed me a red silk dress _____ online, which cost her only 10 dollars.

A. to be bought   B. being bought     C. bought           D. having bought

Having no enough time to practice, the girl wondered whether she _____ pass the driving test.

A. should   B. could    C. might        D. must

I recorded the professor’s speech on my cellphone _____ I could listen to it several times later.

A. in case  B. now that C. even though  D. so that

—You seem tired, David.

—Yes. I _____ all day long and can’t wait to go to bed now.

A. am working                                             B. had been working

C. have been working    D. was working