try one's best 是to do sth还是doing sth还是do sth
try one's best 是to do sth还是doing sth还是do sth
try one's best to do sth 还是try one'sthbest doing sth
try one's best =try to do sth.还是doing sth.
尽力做某事是try one's best to do sth.还是try to do sth.
try one's best to do sth.
try one's best to do sth
use sth doing sth还是use sth to do sth
plan+to do sth.还是doing sth.还是 do sth.
set one\'s mind to do sth 还是set one\'s mind to doing sth doi
try to do sth.=try one's best to do sth.
expect to do sth还是doing sth?
mind doing sth还是 to do sth