--- How old are you, madam?
--- If you _______ know, I’m twice my son’s age.
| A．can | B．must | C．may | D．should |
—— Yangyang carried off the first winter Olympic ________ medal for China.
—— Great! What ________ she won for our motherland.
| A．golden; honour | B．gold; honour |
| C．golden; honours | D．gold; honours |
There is no doubt ________ only by lifelong learning can we keep up with the advancing society.
| A．whether | B．that | C．which | D．why |
Two special government projects are also ________ to protect the river.
| A．under way | B．on the way |
| C．around the corner | D．approaching |
I was going to do some shopping in Golden Eagle, but ________ watching TV at home because of tiredness.
| A．ended up | B．took up |
| C．got down | D．settled down |
________ in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience.
| A．Having caught | B．Being caught |
| C．Caught | D．Having being caught |