Question

Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ great service.

A．不填；a

B．the；a

C．不填；不填

D．the；不填

Answer 1

A

试题分析：第一空泛指“各种新鲜蔬菜”，其前不用冠词；第二空a great service意为：帮了大忙。句意：感谢你们给我们送来各种新鲜蔬菜。你真是帮了我们一个大忙。