A.variant
B.difference
C.divergence
D.variety

A.moreover
B.therefore
C.however
D.otherwise

A.Stopping the Two-child Policy in Vietnam
B.Raising the Retirement Age in Vietnam
C.How to Solve the Aging Population in Vietnam
D.Vietnam's Struggle against Ageing Population

A.Stopping the Two-child Policy in Vietnam
B.Raising the Retirement Age in Vietnam
C.How to Solve the Aging Population in Vietnam
D.Vietnam's Struggle against Ageing Population

A.tighten
B.strengthen
C.apply
D.weaken

A.the Ministry of Labor has applied raising the retirement age in May 2017
B.raising the retirement age and stopping the two-child policy can be long-term solutions
C.raising the retirement age can reduce job opportunities for younger generations
D.the elderly whose age is 50 would be dangerous if they continued to work

A.policy
B.experience
C.budget
D.evaluation

A.garment industry
B.construction
C.agriculture
D.manufacturing

A.who
B.where
C.that
D.which

A.We'll set off very early, you know.
B.All the course books, of course.
C.Well, don't make a fuss.
D.What an interesting book you have!