.Little _____that we were watching his every move , so he seemed to goin his own way in this business .
A.he realized | B.he didn’t realize | C.didn’t he realize | D.did he realize |
Some people have the idea_____ you can cross Canada in less than five days.
A.what | B.that | C.which | D.when |
Only after her mother came to help her for the first few months ______ to begin her project.
A.did she allow | B.had she allowed |
C.was she allowed | D.is she allowed |
Thanks to Dr Yuan’s research, the UN has more tools in the battle to rid the world _____ hunger.
A.of | B.on | C.off | D.at |
______ is even more important is that the earth cooled down, water began to appear on its surface.
A.When | B.That | C.Which | D.What |
Jane _____ these families of chimps for many years and helped people understand how much they behave like humans.
A.had studied | B.studied | C.studies | D.has studied |