If you hadn’t told me about it, I unaware of the facts now.
A. would still have been
B. am still
C. would still be
D. was still
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The universe is made of different kinds of .
A. matter
B. men
C. life
D. thing
We want such materials________ can bear high temperature and pressure.
A. that
B. as
C. what
D. which
He ____________ $10 a month to pay for his summer holiday.
A. put aside
B. put away
C. put up
D. put out
Tom did not have time to go to the party last night because she was very busy for her examination.
A. to prepare
B. preparing
C. to be prepared
D. being prepared