I picked up a paper at random , _____ through the headlines and put it where it had been . 
#103706
A
looking
B
looked
C
to look
D
and looked
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I will stay at home and read some books if it ________ tomorrow. 
#101843
A
rain
B
will rain
C
rains
D
is going to rain
—Could I use your dictionary?—Sorry, it __________.
#102450
A
is using
B
was using
C
was used
D
is being used
Oetzi, the 5,000 years old “Iceman”, ______on the alpine border between Italy and Austria in 1991.
#102964
A
was discovering
B
was discovered
C
had been discovered
D
discovered
It        long before we        the result of the experiment.
#102004
A
will not be;will know
B
is;will know
C
will not be;know
D
is; know