—O'Neal works hard.—So he does.He is often seen ________ heavily before his teammates have even arrived at practice.
There is hard evidence ________ the accident was caused by his careless driving.
If ___________, I will go to her birthday party.
I heard my sister ________ an English song when I passed by her room last night.
--What did our teacher say at yesterday’s meeting? --So you _______ to him carefully then.
Some teenagers like eating in fast food restaurant, ______ you can see everywhere in our city.