Before they __________ anything, children see the world with fresh eyes．Their responses are honest and imaginative．

       A．teach               B．taught               C．are teaching        D．are taught

—Can you keep an eye on my bag, Jack? I just want to use the bathroom．

—__________．It’ll be safe with me．

　　　 A．I think so　　 　　　　　　　　　　　　　　　　　　　　 B．It’s my pleasure

　　　 C．Go ahead　　 　　　　　　　　　　　　　　　　　　　　 D．You’re welcome

Having checked everything, he sat down to do his homework, __________ he heard a lightening strike the electricity pole in the backyard．

       A．for                  B．when               C．or                D．but

—This dish is really delicious．________ you please say it in Chinese?

—Sure, we call it “doufu”．

　　　 A．Might　　　 　　　 B．Could　　　 　　　 C．Shall　　　　　 D．May

Maybe it was because he _________ to the radio, but he didn’t notice the dark object in the road until it was too late．

       A．was listening      B．listened               C．had listened        D．would listen

A study __________ by Allan Lucks, director of Big Brothers Big Sisters, found volunteers had better health than non-volunteers．

       A．was led              B．led                 C．leading              D．was leading

—You’ve got a stomachache? But we ate at the same place．How come my stomach is fine?

—You have an iron stomach! Mine isn’t __________ strong．

　　　 A．as　　　　　　 B．such　　　　 　　　 C．much　　　　 　　 D．enough

__________ winter is still with us, and will be for a few more weeks, warm days may still be in the forecast for your area．

　　　 A．As long as　　　 　　　　　　　　　　　　　　　　　　 B．Even though

　　　 C．Now that　　　　　　　　　　　　　　　　　　　　　　 D．Ever since

I remember early spring mornings _________ my grandmother would tell me to sit quietly and then read me books．

       A．when                      B．why                C．where              D．which

Many of the exhibits were damaged in the fire and _________ were totally destroyed．

       A．all                B．both                C．much              D．some