Though they are______little children , they have worked out _______many difficult math problems.
| A．so; so | B．such; such | C．so; such | D．such; so |
My English is so poor, please help________ to improve it..
| A． me | B． I | C．my | D．mine |
—Be careful ! There is _____dog lying on the ground.
—Thanks a lot.
| A．a | B．an | C．the | D．/ |
— Do you know sound travels very fast?
— Yes. But light travels sound.
| A．as fast as | B．a little faster than |
| C．much faster than | D．slower than |
— When shall we leave for China?
— We won’t we have visited all the places of interest here.
| A．until | B．while | C．as | D．since |
— I don’t think we can find a new day to work out the problem.
— But we’d better not .
| A．end up. | B．hand out | C．give up | D．put out |