He was about to do his homework when an unusual noise ________ his attention．
| A．arrested | B．affected | C．attacked | D．attended |
The little boy is dirty from head to foot because he ___ in the mud all morning.
| A．has played | B．is playing | C．has been playing | D．was playing |
Her ________ look suggested that she was very _______ with the answer.
| A．satisfying；satisfied | B．satisfied；satisfying |
| C．satisfied； satisfied | D．satisfying；satisfying |
This book is well worth _______. Would you like to buy one?
| A．to read | B．being read | C．reading | D．to be read |
I have bought two ball pens , _______ writes well.
| A．none of them | B．neither of them | C．neither of which | D．none of which |
------Why do you turn back?
------ Oh, the bridge ahead_______.
| A．is being repaired | B．is repairing | C．is repaired | D．is being repairing |