---We're going for a picnic next Sunday, and I'd like you to join us.
---____________！I have to see my grandmother. She has been ill for two weeks.
| A．What a pity | B．Good luck | C．That’s all right | D．Go ahead |
I can’t remember when exactly the Robinsons left city ．I only remember it was
Monday ．
| A．the , the | B．a , the | C．a , a | D．the , a |
One of the rules is that every student ________ wear school uniform while at school.
| A．might | B．could | C．will | D．shall |
Tom took a taxi to the airport, only ________ his plane high up in the sky.
| A．finding | B．being found | C．to find | D．to have found |
Before driving into the city, you are required to get your car ________.
| A．washed | B．wash | C．washing | D．to wash |
I looked up and noticed a snake ________ its way up the tree to catch its breakfast.
| A．to wind | B．winding | C．wind | D．wound |