A fire broke out in a commercial mall unexpectedly ,the customers and the persons working there fleeing for safety.

下列各句中，没有病句的一句是（ ）

Some scientists say that the tomato is technically a fruit，＿＿it is eaten as a vegetable．

Most whales must come up for air after several minutes, ______ a few can stay under water for an hour or more.[ ]

I couldn’t complete ________the house ________your support.