Ôn lại câu sai #ROLC

Câu 1 / 9

The company needs to _____ measures to reduce waste.

• A. take
• B. make
• C. do
• D. give

Câu 2 / 9

He needs to _____ an effort to improve his communication skills.

• A. do
• B. make
• C. take
• D. have

Câu 3 / 9

_____ team wins the competition will receive a trophy.

• A. What
• B. Whichever
• C. That
• D. Whether

Câu 4 / 9

It is imperative that the safety measures _____ followed at all times.

• A. are
• B. be
• C. were
• D. will be

Câu 5 / 9

He explained _____ the experiment had failed.

• A. what
• B. that
• C. why
• D. which