Most smartphones now flash player as well as voice and video calls (Miễn phí)

D. support

Đáp án chủ yếu xác

Mark the letter A, B, C, or D to tướng indicate the correct answer to tướng each of the following questions.

Smartphone can be a great learning ____ but you need to tướng think of how to tướng use it effectively.

A. benefit

B. choice

C. invention

D. tool

Many young people carry a pair of earbuds as they are small, light, and ____.

A. chargeable

B. economical

C. portable

D. transferable

Mark the letter A, B, C, or D to tướng indicate the correct to tướng each of the following questions.

A correction pen is used for ____ your writing mistakes

A. cover

B. covered

C. covering

D. to tướng cover

Velcro has gradually become a familiar ____ for shoes, jackets, and even spacesuits.

A. button

B. fastener

C. locker

D. zipper

Washing machine or vacuum cleaner can help you to tướng ____ time while doing housework.

A. kill

B. save

C. spend

D. waste

Did you remember ____ Mr. Green my message?

A. be given

B. giving

C. have given

D. to tướng give