What _____ you doing?
A. are B. am C. is
He and his mother going shopping.
| A．is | B．are | C．be | D．am |
He with his mother going shopping .
| A．is | B．are | C．be | D．am |
—Would you like something to drink？—Yes，_____.
| A．I would like | B．I would like to | C．I would | D．I like |
_____ is the first day of the week .
| A．Saturday | B．Sunday | C．Monday | D．Friday |
I would like to go to Beijing _____ the morning of Monday .
| A．in | B．on | C．at | D．for |