Unless he takes these pills, he won’t be better.
A.If he takes these pills, he will be better.
B.If he does not take these pills, he will be better.
C.If he does not take these pills, he won’t be better.
D.If he takes these pills, he won’t be better.

Mr. Thach who sing English songs very well is my teacher of English.
A.Mr. Thach
B.who sing
C.English songs
D.is

Ba can play the piano better more than his friends can.
A.can play
B.better
C.more than
D.can

A.comment
B.compose
C.command
D.complain

A.choice
B.chaos
C.charge
D.chase

A.emotional
B.sympathetic
C.responsible
D.indifferent

A.emit
B.indeed
C.belong
D.private

_________(27)
A.in
B.from
C.of
D.with

________(29)
A.in
B.for
C.of
D.by

The word "arguments" in the third paragraph can be best replaced by "_________".
A.viewpoints
B.quarrels
C.rows
D.discussions