Câu hỏi: When precipitation occurs, some of it evaporates, some runs off the surface it strikes, and some sinking into the ground.

A. When

B. it

C. runs off

D. sinking

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: People are not allowed enter the park after midnight because of lack of security.

A. allowed enter

B. after

C. because of

D. of

Câu 3: For the first time in the history of the country, the person which was recommended by the president to replace a retiring justice on the Supreme Court is a woman.

A. which

B. was recommended

C. to replace

D. retiring

Câu 4: It is interesting to compare the early stylized art forms of ancient civilizations to the modern abstract forms of art.

A. interesting

B. to compare

C. of

D. to

Câu 5: 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 6: 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