Scientists cannot agree on __________ related to other orders of insects.
A.that fleas are
B.how fleas are
C.how are fleas
D.fleas that are

The boy pretended to be ill _________ to work.
A.in order not to be made
B.to avoid making
C.so that he is not made
D.for not being made

She loved staying in the cottage, ............................
A.as her friends who visited her there were
B.as were her friends who visited her there
C.as did her friends who visited her there
D.as her friends did who visited her there

I will call you before I ________ over.
A.come
B.will come
C.will be coming
D.came

He ran away ____________ he might be seen.
A.so
B.lest
C.so that
D.although

________ begin their existence as ice crystals over most of the earth seems likely.
A.Raindrops
B.If raindrops
C.What if raindrops
D.That raindrops

I can’t decide when ________ .
A.I was leaving
B.leaving
C.left
D.to leave

Art critics do not all agree on what _______ a painting great.
A.qualities make
B.are the qualities for making
C.qualities to make
D.do the qualities that make

Not only.................my keys, I've lost my wallet, too.
A.I have lost
B.are I lost
C.did I lose
D.have I lost

Rarely..................about the environment enough to give up their car.
A.do people care
B.people care
C.are people care
D.care people