单项选择题
A.workout B.setout C.makeout D.putout
The first step is to （） your problem and go to work on ...
单项选择题The first step is to （） your problem and go to work on it.
A.recognize B.revenge C.recollect D.receive
（） all we have learned from space flights, the moon is ...
单项选择题（） all we have learned from space flights, the moon is still a riddle from the distant past.
A.Insteadof B.Inspiteof C.Insearchof D.Becauseof
I was exhausted when I reached home, and I flung myself...
单项选择题I was exhausted when I reached home, and I flung myself down on the front steps to （）.
A. discover B. recover C. dissolve D. retreat
