Câu hỏi: Jason’s professor had him to rewrite his thesis many times before allowing him to hand it in.

A. had

B. to rewrite

C. many times

D. allowing

Câu 1: Thanks for the liberation of women, women can now take part in social activities.

A. thanks for

B. liberation of

C. can

D. take part in

Câu 2: Robots in the home might not be enough creative to do the cooking, plan the meal and so on.

A. in the home

B. might

C. enough creative

D. do the cooking

Câu 3: Collecting stamps, playing chess and to mount beautiful butterflies are derrick’s hobbies.

A. collecting

B. playing

C. to mount

D. are

Câu 4: Please tell us the reason when he left without saying goodbye.

A. tell

B. when

C. left

D. saying

Câu 5: The deadbolt is the best lock for entry doors because it is not only inexpensive but installation is easy.

A. the best

B. because

C. not only

D. installation is easy

Câu 6: Spell correctly is easy with the aid of a number of word processing programs for personal computers.

A. Spell

B. correctly

C. word processing

D. computers