— Do you think when they to play basketball with us?
— I think they’ll come when they free．
A．come；are B．will come；will be
C．will come；are D．come；will be
— Do you think when they to play basketball with us?
— I think they’ll come when they free．
A．come；are B．will come；will be
C．will come；are D．come；will be
C
【解析】
试题分析：句意：你认为他们什么时候来和我们打篮球?我认为他们有空的时候,他们就会来.第一个when 表示提问何时,用将来时,第二个when,表示当……的时候，主将从现。结合句意，故选C