问题
选择题
Better go and ask him when he _____. We must see him off when he _____. [ ]
A. is leaving; leaves
B. leaves; is leaving
C. leaves; left
D. left; was leaving
答案
答案:A
Better go and ask him when he _____. We must see him off when he _____. [ ]
A. is leaving; leaves
B. leaves; is leaving
C. leaves; left
D. left; was leaving
答案:A