Every year, _____ energy is spent on environment protection.
#64419
A
large quantities of
B
a good many
C
a great deal of
D
a plenty of
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They always communicated with each other on the Internet, but they never met him _____________.
#83240
A
back to back
B
heart to heart
C
face to face
D
side to side
The little boy found his toy you _____ under the bed.
#81616
A
hide
B
hiding
C
to hide
D
hid
 We must ________ our task, however hard it is.
#74856
A
carry about
B
carry off
C
carry on
D
carry away.