Experience of this kind in both the U.S. and Europe well before the Second World War.
| A．have conducted | B．have been conducted |
| C．had conducted | D．had been conducted |
Zhouqu, Gansu was attacked by such a terrible mud-rock flow few residents had ever experienced before.
| A．as | B．which | C．where | D．that |
— Mary looks hot and dry.
— So ________ you if you had a high fever.
| A．could | B．would | C．may | D．must |
---I did really well in the examination, Li Ke.
---I did _________. I got full mark.
| A．no less | B．not less | C．not worse | D．no worse |
-----Haven’t seen you for ages！ Do you still work in Guangzhou？
-------_______. It’s two years since I worked there.
| A．Yes, I have | B．Yes, I do | C．No, I haven’t | D．No, I don’t |
Despite the fact that his scores were good, they were hardly as excellent as a student with his intelligence.
| A．achieved | B．had achieved |
| C．would achieve | D．should have achieved |