问题

we can not figure out ____quit a number of insects ,birds ,and animals are dying out .
A:that
B:as
C:why
D:when
B:as
C:why
D:when
正确答案是:
同类题型
I have been advised to arrange for insurance _________ I need medical treatment
My______ /’fevrt/ snack is potato chips.
e you more than her, my dear.” “You mean more than _____love her or more than she loves _____”
u have a driver’s license— No, but I ________ driving. I plan to drive to Tibet this summer.