单项选择题
A.good B.well C.properly D.finely
The scientists are（）a series of experiments to learn mo...
单项选择题The scientists are（）a series of experiments to learn more about how the body adapts to weightlessness.
A.defining B.having C.carrying D.doing
The red flower goes from one to（）in the class.A.the oth...
单项选择题The red flower goes from one to（）in the class.
A.the other B.others C.another D.other
The rain was（）make our picnic impossible.A.hard enough ...
单项选择题The rain was（）make our picnic impossible.
A.hard enough B.hard so to C.so hard as to D.so hard to
