be worried doing sth 还是be worried about doing sth
be worried doing sth 还是be worried about doing sth
be worried about后接sth还是doing sth?
be worried about sth.
be serious about doing sth.
worry about sb/sth等于be worried about
be always doing sth .
be doing sth.when
be glad to do sth 还是be glad doing sth
be scared to do sth还是be scared doing sth
be heard to do sth 还是 be heard doing sth?
be worth to do sth 还是be worth doing sth
be crazy about 后面接doing sth,还是to do sth还是另外的