用所给形式填空。( 15分) His feet are ( big ) than yours. We (see) elephants in the zoo last week. The elephant is much (strong ) than the dog. Amy often (buy ) a card for her teacher on Teachers’ Day. He can (play) the guitar. ---What are you doing, Tom? ---I’m ( read ) books. I will (play) basketball with my friends tomorrow. We (go) swimming tomorrow. They want (eat) apples. ---How much (be) the bananas? ---32 yuan.