题目内容
–-How long is _____ ______ the man-made satellite _____ is made in our country to orbit the planet a round?
---48 hours, to be exact.
A. it, that it takes, which B. it , when, that
C. it ,for , that it takes D. it, that , where
A

练习册系列答案
相关题目
Students are always interested in finding out ________ they can to with a new teacher.
A.how far |
B.how soon |
C.how often |
D.how long |
----How long can I keep the book?
----A week.You _____to return it by Monday.
A.expect |
B.will expect |
C.are expected |
D.will be expected |