There is apen on the ground. Is it Li Long’s—It LiLong’s. He went to Beijing many days ago.

He stayed up too late every night,______ to catch up with his classmates.

The plane is due to take off at 7:50from the airport.–________ we fail to arrive there intime. –Try to take another flight then.

____that in spite of the rare disease, hemanaged to live as rich and full a life as we do

下列各句中加点成语的使用正确的一项是（ ）