40.Have you determined ____the date to set out ?
A.against B.of C.on D.with
39.The Great Wall travels _____ deep valleys, _____deserts and ____mountains.
A.over; across; through B.through; over; across
C.through; across; over D.through; across; on
38.She _____ secrets to the foreigner.
A.gave away B.gave in
C.gave up D.gave out