is difficult to do sth .还是to doing
is difficult to do sth .还是to doing
It's difficult to do sth 还是It's difficult doing sth
it is difficult to do sth对还是it difficult to do sth对
our hope is to do sth.还是doing sth.
expect to do sth还是doing sth?
mind doing sth还是 to do sth
learn+to do sth 还是 doing sth
finish to do sth还是doing sth
promise doing sth还是to do sth
请问是I find it difficult to do sth还是I find it is difficult to
plan+to do sth.还是doing sth.还是 do sth.
sth. is more ...than to do 还是doing