The computer was invented in the 1940’s and ______ quite a lot ever since.
#100726
A
was changed
B
had changed
C
has been changed
D
will change
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All but one____take part in the conference____tomorrow. 
#104648
A
is going to; that is to take place
B
are going to; that is about to take place
C
are going to; that is to be taken place
D
are going to; which is to be held