Câu hỏi:

Electronic devices are bad for your eyes. Their radiation is very harmful.

A.  Electronic devices that their radiation is very harmful are bad for your eyes.

B.  Electronic devices which their radiation is very harmful are bad for your eyes.

C.  Electronic devices, whose radiation is very harmful, are bad for your eyes.

D.  Electronic devices, which are bad for your eyes, their radiation is very harmful.

Câu 1:

Read the passage and choose the best answer

Question: Before Jean's father passed away, her mother used to _______.

A. be a housewife

B. support the family alone

C. work outside the home

D. work as a secretary

Câu 2:

Unable to remember _____, he walked around the neighborhood looking for his car.

A.  where he has parked

B.  where he had parked

C.  where to park

D.  where he was parking

Câu 3:

Don't put off doing your homework until tomorrow. Do it right now, _____?

A.  do you

B.  don't you

C.  will you

D.  aren't you

Câu 4:

Face ID, which is an Apple's security technology for iPhone X, permits users _____ their devices just by looking at them.

A.  unlocking

B.  unlock

C.  of unlocking

D.  to unlock

Câu 5:

Choose the word whose underlined part is pronounced differently from that of the others.

A. trusted

B. agreed

C. mended

D. contraced

Câu 6:

Choose the underlined part that needs correcting

Question 17. Some of my classmates spend most of their spare time to surf the Net.

A.  Some of 

B.  most of 

C.  spare

D. to surf