单项选择题

We have some white and blue paint, but we （）.

A. have black paint
B. has black paint
C. haven’t black paint
D. hasn’t black paint

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单项选择题

A. Spanners and hammers.
B. Derricks and cranes.
C. Forklifts and warehouses.
D. Telegraph and radar.

单项选择题

A. Thank you.
B. Yes, a hammer.
C. Two saws.
D. Not at all.

单项选择题

-May I use your screwdriver?
-Certainly. Here （）.

A. it is
B. they are
C. you are
D. are you