They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.
| A．had been working; are still working | B．had worked; were still working |
| C．have been working; have worked | D．have worked; are still working |
－－Can you finish the writing on time?
－－_________.
| A．Never mind | B．With pleasure | C．No problem | D．All right |
—Id like a pen which _________ well.
—Will this one _________?
| A．writes； do | B．writes； work |
| C．is written； do | D．is written；work |
It was not until liberation that _________ to his hometown.
| A．did he return | B．was he returned |
| C．he did return | D．he returned |
—Why not go out for a walk before breakfast?
—Oh，yes. _________ is my favorite time of day.
| A．In the early morning | B．Early morning |
| C．The early of morning | D．The early morning that |
—I failed again. I wish I _________ harder.—But you _________.
| A．had worked； hadn’t | B．worked； don’t |
| C．had worked； didn’t | D．worked； didn’t |