As ________ rule, apples are sold by ______ weight and eggs by _______dozen.
| A．a; 不填；the | B．a; the; the | C．a; a; the | D．the; 不填；不填 |
--I went to work on foot yesterday, though it was raining cats and dogs.
---You __________ a bus. You were likely to get a cold.
| A．must have taken | B．would take |
| C．could take | D．should have taken |
It was on January, 12th, 2010 __________ a terrible earthquake struck the capital of HaiDi.
| A．when | B．before | C．which | D．that |
He had __________ little education that he couldn’t teach __________ little children.
| A．such; so | B．so; such | C．such; such | D．so; so |
The open-air celebration has been put off __________ the bad weather.
| A．in case of | B．in spite of | C．instead of | D．because of |
While __________ for the bus, I happened to come across my childhood friend, Tom.
| A．waited | B．wait | C．waiting | D．to wait |