While working in the countryside , the students ________ a great deal of knowledge on plant life.
#76451
A
looked up
B
picked up
C
put up
D
called up
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The professor, ________ his assistants, _______ conducting the experiment.
#65389
A
in addition, is
B
as well, is
C
in addition to, are
D
as well as, is
–Well, Randy is not quite ready to make a decision. --So, ___, we have to wait, right?
#69029
A
on the other hand
B
in other words
C
for example
D
in some ways
Everyone must ___ their notebooks on the desk while taking an English exam.
#64422
A
put away
B
put down
C
put off
D
put up