-----I thought I ______something burning .
-----Really?
| A．smelled | B．was smelling | C．could smell | D．might smell |
. When they came to the center of the forest, the visitors found
themselves ____ ___ by wildlife.
| A．surrounding | B．surrounded | C．to surround | D．surround |
. Allow children the space to voice their opinions, _______ they are different from your own.
| A．unless | B．until | C．even if | D．as if |
My brother, ________ is in the army now, used to be an artist.
| A．who | B．that | C．whom | D．which |
________ matters most in learning English is enough practice.
| A．What | B．It | C．That | D．As |
When he woke up, he found ________lying by the sea.
| A．he | B．his | C．him | D．himself |