英文文法 - 考試

1:
Investors anticipated that the Fed would launch another round of ____
is called quantitative easing.

A:what
B:which
答案A
為何不可以使用關係代名詞？

2：
It's pretty warm and humid inside. You had better leave ﹍﹍

A:the windows open
B:the windows opening
C:the windows opened
答案A had better +V 所以leave為V
為何不能選B 成為N+N

3：
The concrete steps the government ____ can assure its people of the
confidence that it iswell-prepared to withstand future challenges.

A：has taken
B: is taken
C: to be taking
D: has been taken
答案A
這一題完全看不懂

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