Who ________ a theory about black holes?
#68666
A
put forward
B
put down
C
put away
D
put off
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"Let's _______ the talking," Johnny said, "And get back to work".
#70878
A
help out
B
cut down
C
cut out
D
test out
Whatever happens, we must______ our plans to increase production.
#71436
A
go ahead
B
keep ahead with
C
push ahead
D
push ahead with