spend后面加doing还是to do?
spend后面加doing还是to do?
make see spend tell have need 等单词用法,关键是后面加to do 还是do还是doing
hard后面加doing还是to do
refuse后面加to do 还是doing
discover后面加to do还是doing?
adjust to 后面加doing还是do?
是spend to do 还是spend doing
ask后面是加to do还是doing,还是do?
dislike后面加to do还是do 还是doing
fear 后面是加doing?do?还是to do?
glad sb后面加什么?to do,doing,还是do?
must not 后面加do doing 还是to do?