问题

The plane is due to take off at 7：50 from the airport.—________ we fail to arrive there on time—Try to take another flight then.

A:What if
B:As if
C:Even if
D:Only if

正确答案是：

同类题型

No sooner had he finished histalk he was surrounded by the workers

out A【解析】试题分析：考查词组辨析：

Jack looks unhappy, do you know why–Yes. He ________ his new iPhone4 yesterday

―― Our family will travel to Shanghai forthe World Expo this weekend――_______

Which one is your mother — The woman _______ glasses.