（1）、把that is the river thames down there中的dowm去掉
（2）、把can you see some ships under the bridge?改成can you see any ships under the bridge?
（3）、把we are westminster bridge改成we are on westminster bridge
每组句子都有一个错误的地方,请改正
（1）、把that is the river thames down there中的dowm去掉
（2）、把can you see some ships under the bridge?改成can you see any ships under the bridge?
（3）、把we are westminster bridge改成we are on westminster bridge