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简述执行装置的作用

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简述控制调节装置的作用

________ is a fact that English is accepted as an international language.

A. There
B. This
C. That
D. It

My mom ____ me a new tablet as a birthday gift next week.

A. gave
B. will give
C. is giving
D. give

Greg enjoys __ friends online and with them.

A. making, chatting
B. to make, to chat
C. making , to chat
D. to make, chatting