Luck is _______happens when preparation meets opportunity.
A.that.B.how.C.what.D.when.
选项是C
因为what= the thing which/ that
is后面需要表语,happens前面需要主语.
Luck is _______happens when preparation meets opportunity.
A.that.B.how.C.what.D.when.
选项是C
因为what= the thing which/ that
is后面需要表语,happens前面需要主语.