Câu hỏi: He has made a lot of mistakes in his writing because his carelessness.

A. made

B. mistakes

C. in

D. because

Câu 1: Looking from afar, the village resembles a small green spot dotted with tiny fireballs.

A. Looking

B. the village

C. dotted

D. fireballs

Câu 2: Neither his parents nor his teacher are satisfied with his result when he was at school.

A. neither

B. nor

C. are

D. with

Câu 3: The Games' organizers faced significant bed shortages because the record number of more than 13,000 athletes and officials who attended the 2006 Games

A. faced

B. bed shortage

C. because

D. attended

Câu 4: Dinosaurs became extinct millions of years ago because of the earth's climate changed drastically.

A. became extinct

B. because of

C. The earth’s

D. drastically

Câu 5: How much times did Rich and Jennifer have to do the experiment?

A. much

B. did

C. have to

D. experiment

Câu 6: If you need to keep fit, then why not take on a sport such as badminton or tennis?

A. to keep

B. why not take

C. on

D. a sport such as