About seventy percent of our earth _______ by water.
| A．is covering | B．is covered |
| C．are covered | D．are covering |
——Jack?Jack?Can you come?
——Imy homework.
| A．do | B．will do | C．am doing | D．was doing |
——Wherethe2010 World EXPO? ——In Shanghai.
| A．does，hold | B．has，held | C．will，hold | D．is，held |
The boy is looking forward toa good time after the exam.
| A．to have | B．has | C．having | D．have |
The smile on my teacher’s face showed that she waswith me.
| A．sad | B．pleased | C．worried | D．angry |
meeting it is!
| A．What a important | B．What important | C．How an imporant | D．What an importat |