______(27)
A.big
B.clear
C.strong
D.quick

_____(28)
A.At once
B.t first
C.At times
D.At last

They bought a gift that was very expensive for their son.
A.They gave their son a gift that was very expensive.
B.The gift was so expensive that they did not buy it.
C.Their son bought an expensive gift for his birthday.
D.Although the gift was not expensive, they did not buy it.

(32) ____
A.improved
B.advance
C.maintained
D.achieved

(34) ____
A.incorporation
B.Integration
C.combination
D.inclusion

(36) ____
A.in
B.on
C.into
D.of

______did Ba do on the weekend?
A.Where
B.What
C.How
D.Why

(38) ____
A.negotiating process
B.negotiable process
C.negotiation process
D.negotiated process

Most Vietnamese students know what the red color on their national flag stands for.
A.targets
B.symbolizes
C.belongs
D.infers

Negotiation is among a few effective ways to resolve any dispute.
A.disrespect
B.organization
C.acceptance
D.disagreement