1.
—It is reported on TV this morning that a group of college students went on an exploration in Huangshan,________ in the mountain because of their losing the way.
—Yes,I know.Worse still,in order to rescue them,many soldiers went to help,________ one of them to lose his young life.
A . trapped;causedB . trapping;causingC . trapped;causingD . trapping;caused
1.
I would appreciate _________ you could work with us to communicate to the American people ________ there are no more funds available for further improvement of social security.
A . it that, ifB . that, ifC . it if, thatD . if, that