It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.
#88518
A
produced
B
producing
C
to produce
D
having produced
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He raised his gun, pointed it at a bear and _____aim, shot at it.
#98018
A
took careful
B
taking careful
C
to take careful
D
taken careful
While watching television, ________.
#90577
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
We have such a long car journey tomorrow. Make sure we bring enough food and games _____ for 4 hours so the kids won’t get bored.
#91649
A
lasted
B
lasting
C
to last
D
last