欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

We cannot figure out quite a number of insects, birds, and animals are dying out.A. that B. as C. why D. when[解析]C:figure out=understand by thinking. 理解.從句意看我不明白大量物種正在消亡.缺少狀語(yǔ).排除A.B項(xiàng).從are dying out的時(shí)態(tài)排除D項(xiàng).應(yīng)該是我不明白大量物種為什么正在消亡. 【查看更多】

 

題目列表(包括答案和解析)

We cannot figure out _______ quite a number of insects, birds, and animals are dying out.?

A. that B. as?

C. why D. when?

查看答案和解析>>

We cannot figure out____________quite a number of insects, birds, and animals are dying out.

A.  that          B.  as           C.  why            D.  when

查看答案和解析>>

We cannot figure out_______quite a number of insects,birds,and animals are dying out.

A.that                   B.as                     C.why                   D.when

查看答案和解析>>

We cannot figure out ________ quite a number of insects, birds, and animals are dying out.    

A. that                  B. as                    C. why                D. When

查看答案和解析>>

We cannot figure out ____quite a number of insects, birds, and animals are dying out.

A.     that  B. as  C. why  D. when

查看答案和解析>>


同步練習(xí)冊(cè)答案