20. I think you should ___________ your chance to study while you’re young.

A. 　 The first man succeeded in crossing the bridge.

B. 　 The second man got to the other side of the river safely.

C. 　 The third man fell into the river because of his fear.

D. 　 The grandfather helped the three men cross the river.

A. 　 the capacity of the whole nation＇s labor market

B. 　 the number of workers entering the labor market

C. 　 the significant increase of immigration number

D. 　 the degree of recession＇s influence on economy

A. Because Shu embroidery has the longest history.

B. 　 Because embroidery takes time and patience.

C. 　 Because the Shu Embroidery Factory went broke.

D. 　 Because there are fewer people buying hand-made Shu embroidery products.

A. 　 Walking

B. 　 Walk

C. 　 Walks

D. 　To walking

A. 　 visit

B. 　 visited

C. 　 will visit

D. 　 was visiting

A. 　 Although

B. 　 If

C. 　 Because

D. 　 When

A. 　 reading

B. 　 read

C. 　 watch

D. 　 watching

A. 　 understanding

B. 　 feedback

C. 　 complain

D. 　 resistance

A. 　 must

B. 　 need

C. 　 can’t

D. 　 could

A. 　 could not forgive him for taking the children

B. 　 had been expecting it to happen for some time

C. 　 could not understand why

D. 　 blamed herself for what had happened