Câu hỏi: I've ________ my shoes everywhere but I can't find them anywhere.

A. looked after

B. looked into

C. looked for

D. looked up

Câu 1: At the _______ level, you can join three-year or four-year colleges.

A. primary

B. secondary

C. postgraduate

D. undergraduate

Câu 2: The United States has a ............. of around 250 million.

A. seperation

B. population

C. addition

D. introduction

Câu 3: Many people were injured when the building..........

A. collapsed

B. destroyed

C. struck

D. erupted

Câu 4: We were so late that  we _____ had time to catch the train.

A. nearly

B. almost

C. hardly

D. simply

Câu 5: Mr. Bao said, “I am so...............of having been a Dien Bien Phu soldier.”

A. interested

B. excited

C. proud

D. keen

Câu 6: Your success in life..........very largely on yourself.

A. is keen

B. depends

C. lies

D. goes