问题
选择题
It is only _______ your heart is really in it _______ you can play your best.
A．that; that
B．that; when
C．when; that
D．when; when
答案
答案：C
强调句型it is +被强调部分 + that…，此题强调when引导的时间状语从句。只有当你全心身做一件事情你才能把事情做好。 选C