Câu hỏi: He made one last futile effort to convince her and left home.

A. favorable

B. difficult

C. ineffectual

D. firm

Câu 1: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number

Câu 2: The teacher gave some suggestions on what would come out for the examination.

A. symptoms

B. demonstrations

C. effects

D. hints

Câu 3: Sorry, I can’t come to your party. I am snowed under with work at the moment.

A. interested in

B. busy with

C. relaxed about

D. free from

Câu 4: No vehicle weighing over 3.5 tons is allowed on this bridge, according to traffic signs placed at both ends of the structure.

A. corruption

B. construction

C. connection

D. confusion

Câu 5: In times of war, the Red Cross is dedicated to reducing the sufferings of wounded soldiers, civilians, and prisoners of war.

A. initiated

B. appalled

C. devoted

D. mounted

Câu 6: Did anyone acknowledge responsibility for the outbreak of the fire?

A. inquire about

B. accept

C. report

D. find out