问题

We are bound to solve the present severe problem, ________ we act intelligently and promptly.

A:even though
B:unless
C:as long as
D:in case

正确答案是：

同类题型

Did your parents go to the meeting yesterday, Tom—Yes, _________ of them did, but _______ spoke.

My bicycle didn’t work yesterday, so I didn’t go there with Tom. —You mine. I wasn’t using it then.

Most environmental problems exist because______measures for preventing them have not been taken in the past.[ ]

How about going hiking this Sunday —- _______.I love sports and getting close tonature.

ps John’s notin — _______ Look, the light is on