问题

He has made another wonderful discovery, _____ I think is of great importance to science.

A:which
B:what
C:when
D:that

正确答案是：

同类题型

Sarah, you are going to Ireland to celebrate St. Patrick’s Day, ______ you— Yes, I’m going to celebrate it with my cousins.

We must act now because time is _______.—Yes. Let’s start.

I’m thirsty now. Would you please give me water to drink

Her father was a quiet man with ________ manners. [ ]

t countries, urban population is ____while the population of German ___ by 8 percent.