She is ill, ( )she can’t go to school today.
A. because
B. when
C. so
D. and
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Do you know ( ) ?
A. how old he is
B. how is he old
C. how old is he
D. he is how old
I will tell my father ( ) you will come tomorrow.
A. if
B. after
C. that
D. before
That’s ( ) the village lies.
A. where
B. when
C. why
D. what
Li Ping likes maths, ( ) her sister likes English.
A. since
B. whiles
C. when
D. as