to do和doing在填空题里怎么选
英语里的短语【to do sth】和【doing sth】,在句子里该怎么用?
to do 和doing 怎么分别?
wait to do 和wait doing怎么用?
To do 和Doing区别
英语doing和to do
英语 doing 和 to do
怎么区分谓语动词,to do doing done 和to be doing to be done to have do
try to do 和try doing的区别在哪里?
doing 和to do在开头有什么区别?
to do和doing用在开头,有何区别?
to do 和doing分别用在哪里?
用used to do,be used to do,be used to doing和括号中动词的适当形式填空