The rose may grow as a low bush or as a tree, depending on ______.
A. what it is trimmed
B. how it trimmed
C. that is trimmed
D. how it is trimmed
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Group work is a method of teaching ______ tasks and activities are carried out by small groups of pupils.
A. which
B. that
C. for which
D. in that
Einstein’s theory of relativity seemed hard to believe at the time ______.
A. when he first introduced
B. when he first introduced it
C. he first introduced
D. which he first introduced it
Now we may be able to say ______ between music and noise or just sound.
A. what is the difference
B. the difference is what
C. what the difference is
D. that what the difference
Contrary to ______ I had expected, he lost for a second time.
A. that
B. what
C. which
D. who