We shouldn’t s0pent our money testing so many people, most of __________ are healthy.
A.that | B.which | C.what&nze:1bsp; | D.whom |
John waited at the bus-stop for nearly half an hour the bus finally arrived .
A.when | B.as | C.before | D.while |
Not that I’m unwilling to lend you a hand ,I’m too busy for the moment .
A.because | B.but that | C.but | D.however |
Jack had traveled six miles across the Channel _____his engine failed and was forced to land on the sea .
A.when | B.until | C.after | D.since |
—When did he leave the classroom?
—He leftyou turned back to write on the blackboard.
A.the minute | B.the time | C.until | D.before |
he thought he was helping us with the work, he was actually in the way.
A.Although | B.Unless | C.Because | D.When |