---Can you promise _______ late ______ school again, Tom?
---Yes, of course I can.
A. don’t be; for B. not be; at C. not to be; at D not to be; for
---How much difficulty did you have________________ this problem?
---_____________. It's quite easy.
| A．to solve, Nothing | B．solving; None | C．to solve, None | D．solving; Nothing |
____________of the news reports _________written in English on the Internet.
| A．Two thirds, are | B．Two-thirds, is | C．Two third, are | D．Second thirds, is |
_______hard work it is! And__________should I do to complete it well?
| A．What a, how | B．What, what | C．How, what | D．What, how |
‘I’____the first letter in the word‘irregular’,and there is___‘u’and ___‘l’in it.
| A．is, a,an | B．am, an, a | C．is, an, a | D．am, a, an |
----- Betty telephoned to say welcome back.
------Really? _______.
| A．It’s OK. | B．You are welcome. | C．Thanks for telling me. | D．It doesn’t matter. |