Playing QQ's "Happy Farm" by planting, watering, fertilizing, harvesting and selling virtual(虚拟的）vegetables，fruits and flowers, we can find out all the excitement is about.
| A．that | B．if | C．what | D．when |
A driver should __ the road when .
| A．concentrate on; drive | B．concentrate in; driving |
| C．concentrate to; drove | D．concentrate on; driving |
With everything needed________，she declared that the party began.
| A．in the place | B．taking place | C．out of place | D．in place |
—I hope the result of the exams had not been told to us.
—________，why did you come here to see our teacher?
| A．If what | B．If so | C．If only | D．If not |
Which material can be thrown into the sea ________ on the nature of the material?
| A．depended | B．depending | C．to depend | D．depends |
He’s got himself into a dangerous situation he is likely to be accused of meeting someone.
| A．where | B．which | C．while | D．why |