He had no choice but to go on because it is their agreement that no one ______ quit the plan half way.

A．need             B．will              C．shall             D．can

We all suggested the plan ________, but the boss insisted that his plan ________ perfect．

1. A.
   put off; was
2. B.
   should put off; is
3. C.
   be put off; was
4. D.
   should be put off; is

________ the plan has been made, let’s get down to ________ it out.

　　A. Now that; carry　　　　　　　　 B. Because; carry

　　C. Since; carrying　　　　　　　　 D. Now; putting

Jim apologized for ______ to inform me of the change of the plan.

A．his being not able   B．his not being able   C．him not to be able   D．him to be not able

 ----- Sally is strongly against taking the trip to Hainan.

   ----- _______? It was she who suggested the plan.

A. How come    B. What about     C. Real       D. Why not