1、雨伞被用来挡雨 The umbrella is used to _____________

1、雨伞被用来挡雨 The umbrella is used to _____________
2、He wants to be healthy.He needs to get enough sleep.合并句子
He needs to get enough sleep _____ ______ ______ be healthy.
3、Things remained the same when he went up to college and he d_____ out halfway.