—Why are you standing here, Tom?—I can’t see the blackboard clearly. Two tall boys are sitting ____ me.
Some ______are ______their time to help the old people.
– He looks unhappy?-- Let’s ________
The old man lives ______,but he never feels_______.
We can't put off ______a plan. Clean--Up Day is coming.
He ______plenty of money ______ the people in the earthquake.