everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as possible．
| A．Because | B．Since | C．While | D．If |
—We expected you yesterday.
—I’m sorry，I ________ you to say that I couldn’t be here until today.
| A．should have called | B．must have called |
| C．could call | D．would call |
It is acknowledged that ________ shortest distance between persons is ________ sincere smile.
| A．a；the | B．the；a |
| C．a；/ | D．the；/ |
—We were surprised to hear that the reason________ she gave for her absence was________ her mother was ill.
—Yes，we saw her mother was at the supermarket that morning.
| A．why；that | B．which；that |
| C．that；because | D．why；because |
We tried to ring you back，Bryan，but we think we ________ your number incorrectly.
| A．looked up | B．got through |
| C．took down | D．worked out |
Will you see to ________ that the luggage is brought back?
| A．me | B．yourself |
| C．it | D．them |