--- Sam, do you know when Alice ______to my party ?
---I think she will come when she ______free .
| A．comes; is | B．comes ; will be | C．will come ; is | D．will come ; will be |
—The song Where did the time go______the old days and the love of family.
| A．helps us out | B．reminds us of |
| C．lets us down | D．regards us as |
On this day，Dr.Martin Luther King_______，but we didn't know who________him.
| A．killed；was killed | B．killed；killed |
| C．was killed；killed | D．was killed; was killed |
Mary likes helping others._______, she often helps the old cross the road after school every day.
| A．Such as | B．For example | C．For free | D．Just as |
I didn't understand_______. So I put up my hand to ask.
| A．what my teacher says |
| B．what did my teacher say |
| C．what my teacher said |
| D．what does my teacher say |
—Where were you doing when I called at your house this morning?—Oh，I______ for a friend from New York at the airport.
| A．waited | B．was waiting | C．have waited | D．am waiting |