I prefer ______ at home to ______ outside.
| A．staying; playing | B．to stay; play | C．staying; play | D．to stay; playing |
He always works hard, but__________, he didn't pass the exam.
| A．much to our surprise | B．to our great surprising | C．to our surprise much | D．to surprise |
The book_______well.
| A．is sold | B．has been sold | C．selled | D．sells |
On _______ side of the river there are a lot of trees.
| A．both | B．any | C．either | D．neither |
At last she made herself ______ by drawing a picture.
| A．understand | B．to understand | C．understood | D．understanding |
I was about to go shopping _______ the telephone rang.
| A．as | B．while | C．when | D．as soon as |