问题

Though the situation is rather serious, financial leaders are still ________ about global economy.[ ]

A: positive
B: negative
C: active
D: passive

正确答案是：

同类题型

________important computers are to everybody in a modern city!

e Jack was sure of the fact,he his opinion

lucky that little Jack was not at homewhen the fire broke out; otherwise, he____his life.

通常我们不宜问Mrs. Green:

Many strange new means of transport have been developed in our century, the strangest of _______ being perhaps the hovercraft(气垫船).