Did you watch Lucy _______ yesterday?
| A．danced | B．to dance | C．dance | D．dancing |
Kids _________ use the computers to draw in the future.
| A．can | B．could | C．will be able to | D．will can |
---Will there be more people in 100 years?
--- __________, I hope.
| A．No, there isn’t. | B．No, there will. | C．No, they won’t. | D．No, there won’t. |
Tom _______ his English book in the classroom last Friday.
| A．have forgotten | B．forgot | C．left | D．was leaving |
I really don’t know____________.
| A．how to do | B．what to do | C．what should I do | D．how I should do |
It’s _______ to work out the math problem. You needn’t go to ask the teacher.
| A．enough easy | B．easy enough | C．easily enough | D．enough easily |