Mum, ______ my friends，Dale and Helen.
| A．this is | B．they is |
| C．he and she | D．these are |
—_____ did Mr Li finish the work last night? —At about eleven, I think.
| A．What | B．Where | C．Who | D．When |
--_____ you call back tomorrow?
--Of course I can.
| A．Can | B．Must | C．May | D．Need. |
Our teacher often tells us ____ the windows before we leave.
| A．close | B．closed | C．to close | D．closing |
I _____ my homework at home yesterday.
| A．forgot | B．forget | C．leave | D．left |
Does Zhao Ping ___ his father or his mother?
| A．be similar to | B．take out | C．take after | D．take off |