Câu hỏi: Solar energy is not only plentiful but also infinite.

A. without limit

B. boundless

C. limited

D. indefinite

Câu 1: My first impression of her was her impassive face.

A. emotional

B. respectful

C. solid

D. fractious

Câu 2: The works of such men as the English philosophers John Locke and Thomas Hobbes helped pave the way for academic freedom in the modern sense.

A. terminate

B. prevent

C. initiate

D. lighten

Câu 3: My mom is always bad-tempered when I leave my room untidy.

A. feeling embarrassed

B. talking too much

C. very happy

D. easily annoyed

Câu 4: Unless the two signatures are identical, the bank won’t honor the check.

A. similar

B. different

C. fake

D. genuine

Câu 5: The distinction between schooling and education implied by this remark is important.

A. explicit

B. implicit

C. obscure

D. odd

Câu 6: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy