【简答题】请分别用下列短语或者句型造句。 to be/feel obliged to do sth to be/get serious about to thrust sth. upon/on sb. to make sense While sth. / sb. is / does..., sth. / sb. else is / does...
【简答题】用以下句型造句: to be/feel obliged to do sth to be/get serious about to thrust sth. upon/on sb. to make sense While sth. / sb. is / does..., sth. / sb. else is / does...