He has to do sth and do sth还是He has to do sth and does sth?
He has to do sth and do sth还是He has to do sth and does sth?
he does sth and does sth 还是 he does sth and do sth
has difficulty doing sth还是has difficulty to do sth
是want to do sth and do sth还是want to do sth and to do sth?
would like to do sth加上and,后面加to do sth还是do sth啊
use sth doing sth还是use sth to do sth
英语小问题.warn sb to do sth and do sth还是warn sb to do sth and to
plan+to do sth.还是doing sth.还是 do 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