问题
选择题
______is very important for us students to learn English well.
A．As
B．There
C．What
D．It
答案
答案：D
it作形式主语，后面的不定式作真正的主语。考查句型It is+adj.+for sb.+to do sth.。
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______is very important for us students to learn English well.
A．As
B．There
C．What
D．It
答案：D
it作形式主语，后面的不定式作真正的主语。考查句型It is+adj.+for sb.+to do sth.。