问题
Look at these tracks. It _____ be a wolf.” —Don’t be so sure. I think it _____ be a fox.
A:must; could
B:may; might
C:need; must
D:could; need
B:may; might
C:need; must
D:could; need
正确答案是：
同类题型
He said that his friend ______ there three days before, but she was not there_______
tis not how much we do but how much love we put into ____we do____benefits ourworkmost.
Her temperature ＿＿＿＿＿＿ to be all right.
Do you know _____ by the police last night — Yes, because he spread a rumor(谣言) on Wechat.