问题

Scientists observe ___ making the most of our senses when we are young can keep us healthy later on in life.

A:if
B:what
C:that
D:When

正确答案是：

同类题型

Neither Mary nor I_____ a worker.

I’m not sure exactly how much money you’ll receive, but it will __________ cover your major expenses

I remember there _____ a lot of fish in Yanglan Lake. Now it has been polluted.–What a pity! I think we should play a role in protecting the environment.

I want to go to college and become a doctor; _____ ismy wish

Is her lifestyle the same ______ yours or different