用should, ought to, have to填空 1．You come at 4 o’clock if the plane arrives on tim
来源：网络
时间：
推荐文章
用should, ought to, have to填空
1．You ________ come at 4 o’clock if the plane arrives on time．
2．I didn’t go shopping this morning as I ________ do the housework．
3．She ________ come to see me yesterday, but she forgot．
4．You ________ ask for permission before you left the table．
5．As they didn’t understand, I ________ explain everything again．
试题答案
答案：should;had to;ought to;should;had to