单项选择题

Yellow Stone National Park is (one) of the (older) parks in the U.S. It (was established) by (Congress) in 1872.

A. one
B. older
C. was established
D. Congress

<上一题目录下一题>

热门试题

单项选择题

Since her blood pressure is (much) higher (than) (it should be), her doctor insists that she (will) not smoke.

A. much
B. than
C. it should be
D. will mot

单项选择题

With the price of oil (goes up), the economy of (oil-producing) countries is (expanding) (at a high rate).

A. goes up
B. oil-producing
C. expanding
D. at a high rate

相关试题