【题目】—The plane is due to take off at 7:50 from the airport. ______ we fail to arrive there in time?
—Try to take another flight then.
A. As if B. Even if C. Only if D. What if
在线课程【答案】
【解析】D
试题分析：A. As if似乎，好像；B. Even if 即使；C. Only if只要……就；D. What if假使……会怎样。
句意：——由于飞机在7:50从机场起飞，假使我们不能按时到达怎么办？——那就尽力做下一班飞机。