Little Johnny felt the bag, curious to know what it __________.
| A．collected |
| B．contained |
| C．loaded |
| D．saved |
He became famous ______.
| A．in the sixties | B．in the sixty | C．in sixties | D．in sixty |
Included _____.
| A．all kinds of books | B．was all kinds of books |
| C．were all kinds of books | D．all kinds of books are |
Next door to ours _____, who has just retired from work.
| A．where lives an old man | B．where does an old man live |
| C．lives an old man | D．does an old man live |
They want the job ______ by the end of the week.
| A．to do | B．done | C．did | D．to be doing |
So _____ that modern industry cannot develop without it.
| A．electricity is important | B．important is electricity |
| C．electricity important is | D．important electricity is |