had a hard time后面接to do还是doing?
had a hard time后面接to do还是doing?
hard后面加doing还是to do
have a hard time 后接to do sth 还是doing 也是急用
请问have a good/hard/difficult time to do 还是doing
have a good time 和have a hard time后接to do ,doing?
have a hard time doing 还是have hard time doing
need time 后面加to do 还是 doing,为什么?
devote (time)to后面跟do还是doing?为什么?
a waste of time后面是加 doing sth还是to do sth
"have a hard time doing"和"have hard time to do"有区别吗?
mind后面接doing还是to do?
aim后面接to do 还是doing