Câu hỏi: This apprentice has spent two weeks to work on that new machine.

A. has spent

B. to work

C. on

D. new machine

Câu 1: It has ever been told that teaching is one of the more noble careers.

A. has ever been

B. is

C. the 

D. more noble

Câu 2: Narcissus, a character in mythology, gazed at his own image in a pool so ardently that he fell into itself and downed.

A. a character in mythology

B. his own

C. that

D. into itself

Câu 3: Unless there had been a heavy storm, the climbers will not have died.

A. Unless

B. had been

C. heavy

D. will

Câu 4: 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 5: The master of ceremonies announced in a loud and clear voice and told that the dinner would be late due to unforseen circumstances.

A. of ceremonies

B. and told

C. would be

D. due to

Câu 6: 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