精选优质文档-倾情为你奉上一、用情态动词的正确形式填空。1. They (can/might) _ be away for the weekend but Im not sure.2. You (may/might) _ leave now if you wish.3. (Could/May) _ you open the window a bit, please?4. He (can/could) _ be from Sheffield, judging by his accent.5. (May/Can) _ you swim?6. Listen, please. You (may not/might not) _ speak during this exam.7. They (cant/may not) _ stil