They returned earlier than we (expect) ______. 50、 Hainan is China's second (large) ______ island. 51、 The cafeacute, (open) ______ last year, is very popular among the students in this school. 52、 Since she doesn't want to accept your advice, it is no use (talk) ______ to her again. 53、 This program prepares students for ______ (admit) to colleges and universities. 54、 (See) ______ that the old man was dying, the neighbor sent for a doctor without any delay. 55、 If you (get) ______ everything ready yesterday, you wouldn't be in such a hurry now. 56、 Universities and colleges are schools that continue a person's (educate) ______ beyond high school. 57、 It is necessary that the patient (examine) ______ carefully before the operation. 58、 You are invited to a conference meeting (hold) ______ at our meeting room at 9:00 a.m. next Friday.