Câu hỏi: A chronic lack of sleep may make us irritable and reduces our motivation to work.

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 1: My cousin tends to look on the bright side in any circumstance.

A. be optimistic

B. be pessimistic

C. be confident

D. be smart

Câu 2: He is among wealthy members of the golf club.

A. adroit

B. affluent

C. adjacent

D. poor

Câu 3: We are very grateful to Professor Humble for his generosity in donating this wonderful painting to the museum.

A. meanness

B. sympathy

C. gratitude

D. churlishness

Câu 4: During the five- decade history the Asian Games have been advancing in all aspects.

A. holding at

B. holding back

C. holding to

D. holding by

Câu 5: The only means of access to the station is through a dark subway.

A. arrival

B. admission

C. outlet

D. output

Câu 6: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy