Câu hỏi: 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

Câu 1: It was not when he talked to her that he knew the truth.

A. was not

B. when

C. talked to

D. knew the truth

Câu 2: 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 3: When many of my friends take a shower in the morning, I usually take one before bed.

A. When

B. many of my friends

C. one

D. before bed

Câu 4: Although Nam worked very hard, but he didn’t pass the final exam.

A. Although

B. hard

C. didn’t

D. pass

Câu 5: 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 6: When mining for gold, you must first obtain the gold ore and then apart the gold from the ore.

A. When mining

B. must first

C. and then

D. apart