————had made a great contribution to science is a fact.
36._____ had made a great contribution to science is a fact.
A.What he B.Which he C.He D.That he
37.I didn't know what to do,but then an idea suddenly_____ to me.
A.occurred B.entered C.happened D.rushed
38.Don't tell a lie.Your eyes have given yourself____ .
A.away B.out C.in I),off
39.I suggest we put the scheme into effect.It is quite__ .
A.possible B.available C.probable D.feasible
40.The large vase in which he kept his old umbrella for many years _____ to be a
valuable piece of Chinese pottery.
A came around B.turned up C.turned out D.figured out