Please （）the pilot ladder. A: Arigged B: Bto rig C: Crigging D: Drig

城市基础设施民营化的主要包括BOT、BT、BOO、BTO等形式

It’s raining. Stop （）, please. A: Awork B: Bto work C: Cworking D: Djob

包头的城市三字代码为（） A: BAT B: BAV C: BAO D: BTO

We will consider（）your terms of payment. A: Aaccepted B: Bto accept C: Caccepting D: Daccept

You have made your clients（） too long in the office. A: Await B: Bto wait C: Cwaited

He told me（）bring you anything. A: Anot to B: Bto not C: Cnot D: Ddon't

Would you mind（）us how old you are? A: Atell B: Bto tell C: Ctelling D: Dto telling

公私合作有哪些模式？ A: BOT模式 B: PPP模式 C: BOO模式 D: BTO模式

When I was a child, I used （） to the river and bathe in the evening. A: Ato going B: Bto go C: Cgo D: Dgoing