问题
选择题
–Can you guess if they ______ to play basketball with us?
–I think they’ll come if they _____ free.
A．will come; are
B．will come; will be
C．come; are
D．come; will be
答案
答案：A
题目分析：句意为：---你猜他会来和我们打篮球吗？---我想如果有空，他们会来的。前句是if引导的宾语从句，根据语境应用一般将来时。后句是if引导的条件状语从句，主句用一般将来时，从句用一般现在时。故选A。