什么时候加is有些句子如.Mr wang _____（leave）for Beijing tomorrow morning.我填的是leave可答案是is leave我搞不懂.不是每句话只能有一个动词吗可leave不算动词吗为什么要加is啊?

什么时候加is有些句子如.Mr wang _____（leave）for Beijing tomorrow morning.我填的是leave可答案是is leave我搞不懂.不是每句话只能有一个动词吗可leave不算动词吗为什么要加is啊? 完成句子Mr Wang is ____ _____ having a meeting. mr Wang is() good doctor Is Mr Wang friendiy ()you Is Mr Wang ___ teacher 英语Mr.wang前面加什么冠词? 问句子the man __came to our school is Mr.wang.填什么 Mr Wang is very friendly to us Mr Wang is fine对fine提问 Who is your P.E.teacher?A、She is Mr.Wang B、Mr.Wang C、He is Mr.Wang D、His is Mr.Wang选什么? Mr Wang is somebddy here意思 Mr Wang is going to give a speech about spacecraft tomorrow如题 afternoon.改为同义句 提示：A speech about spacecraft( )( )( )( )( )( )Mr Wang tomorrow afternoon. It is Mr Wang is hangbag.对画线部分提问Mr Wang is画线 Mr wang is a good driver改为Mr wang is very good ( )( ) Mr Wang is our Chinese teacher.(同义句) Mr Wang is （）（）Chinese teacher 填空.Mr.Wang is an English teacher._________ is Mr.Wang? what is mr wang going?what is mr wang going ___A.todo B.do C.doing he suggested Jack's asking Mr Wang for help这个句子对吗,是什么意思为什么要加's