“John took a photograph of you just now.” “Oh, really？ I ______.”
| A．didn’t know | B．wasn’t knowing |
| C．don’t know | D．haven’t known |
Machines help peole do ___ work with ___ time.
| A．more…less | B．many ,few | C．more and more, less and less | D．many and many… few and few |
You have done ___. A,more than enough B. enough more than C. more enough than D. than more enough
Of all the students Jack spent ___ time and made ___ mistakes.
| A．much..many | B．more…less | C．less..fewer | D．the least.. the fewest |
Of the three questions the first one is the ___ difficult .
| A．least | B．much | C．more | D．less |
The work became ___.
| A．so harder | B．much hard | C．harder and harder | D．as hard |