Question

______ important for us ________English well. A．It’s, to learn B．This is, to learn C．It

______ important for us ________English well. A．It’s, to learn B．This is, to learn C．It’s, learning D．This is, learning

Answer 1

A
本题考查的是固定词组句型：It‘s
+adj+for
sb
to
do
sth,it为形式主语，真正的主语为动词不定式短语，故选A