原题:
题型:单项选择-四个选项
—Could you go camping with me on Phoenix Island?
—Sorry, I ________. I have lots of work to do.
—Sorry, I ________. I have lots of work to do.
| A.can’t | B.may not | C.couldn’t | D.needn’t |
题目考点:情态动词can/can’t用法
