1 . It was great ___________ (see) them again. (所给词的适当形式填空)
您最近一年使用:0次
名校
2 . Yesterday I happened ________ (meet) Tom in the street. (所给词的适当形式填空)
您最近一年使用:0次
名校
3 . We are not allowed ________ (smoke) in public places. (所给词的适当形式填空)
您最近一年使用:0次