. 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
The chairman thought ________ necessary to invite Professor Smith to speak at the meeting.
A. this B. what C. it D. that
. What ________beautiful day it is! Why not go out for _______picnic?
A. a; / B. the; a C. /; a D. a; a