Many scientists believe that the universe began with an enormous explosion called the “Big Bang”, ______ happened about 13.7 billion years ago.
#77065
A
that
B
which
C
when
D
what
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We went to the Lincoln Memorial yesterday, ___, not surprisingly, was crowded with visitors from all over the world.
#78053
A
where
B
which
C
that
D
when
The foreign guests liked the children and their shows ________they saw in the kindergarten.
#76716
A
what
B
who
C
which
D
that
________ fails to realize the importance of improving the learning strategies will have great difficulty in learning.
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A
Who
B
Whoever
C
What
D
Whatever
_______ is reported in the newspaper, talks between the two countries are making progress.
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A
It
B
That
C
As
D
Which