What is OPA 90?

A:Oil ProductionAct of 1990 B:ore Pollution Act of 1990 C:Oil Pollution Act of 1990 D:Ore Production Act of 1990

This style of clothes _______very popular_______.

A: was; in1990’s B: were; in the 1990s C: were; in 1990’s D: was; in the 1990s

________, great changes have taken place in Wuhan.

A: In the 1990 B: In the 1990’s C: In 1990 D:, In 1990’s

The people born in _______ have different ideas about their lifestlyes.

A: the 1990s B: 1990s C: the 1990 D: 1990’s

In __________, Mr. Li began to learn English.

A: his 1990 B: the 1990’s C: the 1990 D: a 1990

Some people have called ________ the worst period ever for Pop MusiC.

A: 1990’s B: the 1990 C: the 1990’s D: 1990s

____________that the trade between the two countries reached its highest point.

A: During the 1990’s B: That it was in the 1990’s C: It was in the 1990’s D: It was the 1990’s

It is not rare in ____ for people in ____ fifties to go to university for further education.

A: 1990s ; the B: the 1990s ; ／ C: the 1990s ; their D: 1990s ; them