—My sister is on holiday in Hainan. —I wonder ____.
| A．When she came back. | B．When did she come back |
| C．When she will come back | D．When will she come back |
I can________be a nurse．I’m not a very patient person．
| A．seldom |
| B．ever |
| C．never |
| D．always |
—________?
——He is tall．
A．How is he
B．What does he look like
C．What does he like
—Hi，Sam．Your mother’s busy these days，________?
—Yes，she is．
| A．has she |
| B．is she |
| C．hasn’t she |
| D．isn’t she |
—He didn’t go to the lecture this morning．did he?
—________，though he was not feeling very well．
| A．No，he didn’t |
| B．Yes，he did |
| C．No，he did |
| D．Yes．he didn’t |
—There are always many volunteers in great events，________?
—Yes．Many hands make light work!
A．aren’t there
B．are there
C．aren’tthey