Câu hỏi: ……..are people who leave their country to live in another one

A. Emigrants 

B. Deserters 

C. Travellers 

D. Explorers 

Câu 1: The rivers can be…………..by chemicals. 

A. poisonous 

B. contaminated

C. flooded

D. polluting

Câu 2: Her hair isn't completely straight - it's slightly ________.

A. Wavy

B. Curl

C. Waved

D. Bent

Câu 3: Mary: How often do you go hiking?

A. Most weekends

B. I go with three friends.

C. We stay for a weekend.

D. I often go hiking with my family.

Câu 4: After the campaign, a special medal was…….to all people involved.

A. gained 

B. awarded 

C. earned

D. deserved

Câu 5: Einstein's …….is really too difficult for the average people to understand. 

A. explanation

B. knowledge

C. experiment

D. theory

Câu 6: He can make change in his timetable when he wants to. It means that he's got a……….timetable. 

A. modern 

B. fashionable

C. flexible

D. convenient