Nobody knows what the_____________________ of the expiosion was.
A.source
B.cause
C.reaction
D.reason

Several items of_______________________ were found on the river bank.
A.clothes
B.dress
C.costume
D.clothing

He kindly offered to_______________________ me the way to the station.
A.explain
B.direct 
C.describe
D.show

That large dog is perfectly______________________ and has never been known to attack anyone.
A.harming 
B.unharmed
C.harmless
D.harmful

- “Did he make any comments?” - “Yes. he said it was imperative that we_________ on time tomorrow.”
A.had been 
B.were
C.have been 
D.be

There is water below the earth’s surface____________________ everywhere.
A.most
B.most of
C.almost
D.in

Are there enough apples for us to have one_________?
A.every
B.each
C.individually
D.self

He looks much better________ the holiday he took.
A.for
B.of
C.to
D.in

Chọn từ có cách phát âm khác với các từ còn lại.
A. attract
B.argument
C.apply
D.vacancy

Chọn từ có cách phát âm khác với các từ còn lại.
A.heavy
B.head
C.weather
D.easy