Plastic parts can ______ metal ones in many machines. But they don't last long.
—Car prices have been going down sharply in the last 20 years. —It's not surprising because the law of market ________ the price of a product.
—We'll go to the party to be held in Qinghai Grand Theater at 8 tonight. Could you join us? —I'm afraid I can't. I ________ the holiday plan with my friends.
Mother reminds, “________ rain, take an umbrella.” as spring approaches.
—Jenny took the 8: 00 bus to Guangzhou this morning. —Really? She ________ the 9:00 train. It's much more comfortable and safer to travel by train.
—You will never believe that it took us two hours to get to the restaurant. —Really? You ________ in a traffic jam.