Choose the correct answer

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Cuốn sách tiếng Anh của Lien English

III. Choose the correct answer A, B, C, D:
1. You should decide ______ to move to the new house.
A. while
B. when
C. where
D. who

2. Do you know ______ to sort rubbish?
A. where
B. who
C. how
D. what

3. She didn’t tell me ______ to do in this situation.
A. could you tell me
B. when
C. what
D. where

4. I wonder ______ to ask for advice, my teacher or my parents.
A. who
B. where
C. what
D. who

5. They don’t know ______ to preserve the natural beauty of their region.
A. D. how
B. who
C. where
D. what

My classmates didn’t understand ______.
A. who
B. what
C. where
D. how