肯定句,whether
典型句式:There is some/ much doubt whether..
.否定句,that
典型句式:There is no doubt that...
or
There isn't any doubt that..
.祝你开心如意!
肯定句,whether
典型句式:There is some/ much doubt whether..
.否定句,that
典型句式:There is no doubt that...
or
There isn't any doubt that..
.祝你开心如意!