—It’s time that I ____ on night duty. I must be off now.

—I’d rather you ____ at home on such a family reunion night.

A. am, stay          B. was, stayed

C. will be, to stay  D. be, will stay

―What a surprise! There used to         many trees here.

―Yes. Something must be done         people         too many trees in the area.

       A．have; stopping; from cutting down        B．having; to stop; from cutting off

       C．be; to shop; cutting down                     D．being; stopping; to cut off

The workers insisted that they_______ a free lunch every noon and the boss had to give in.

A. be given　 B. be giving　 C. will be to give　 D. would be giving