“American will fulfill the commitments that we have made: cutting our emission in the _______ of 17 percent by 2020”, said Obama.
The doctor __ my father not to smoke again.
Please ___ your new watch, or you’ll get it lost.
You should ___ the lights if there is no one in the room.
Save water as ___ as we can.
--What’s the time ___ your watch?---On, my watch ___ “A quarter to five”