问题
选择题
Lisa is going to clean her _______ room when she _________ back from school next weekend.
A．living; is coming
B．living; comes
C．live; come
D．lives; is going to come
答案
答案：B
when后用一般现在时代替将来时，故动词用comes，living room是起居室的意思，故本题选B。