____ Sam make the tea? No, he can't.
A. Must
B. Can
C. Does
D. Is
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Sam can see the teapot, ____ he can't see the tea.
A. and
B. so
C. but
D. for
____ this kite fly?
A. Is
B. Can
C. Are
Do
____ there any water in this kettle?
Are
Be
C. Am
D. Is
They must do ____ today.
A. his homework
B. they homework
C. their homework
D. them homework