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What they need ______ enough money, while what we need ______ enough workers.

A. is; is             B. are; are     C. is; are           D. are; is

Jumping out of ______airplane at ten thousand feet is quite _____exciting experience.

A ./ ；the    B./ ；an        C.an；an            D.the ; the

The e-mail, as well as the telephone, ______ an important part in daily communication.

A. is playing          B. have played   C. are playing         D. play

 While you are enjoying yourself in Beijing this time tomorrow, I __my mother do housework at home.

A. am helping B. will help     C. would help         D. will be helping

 Helen is on time for everything. How ______ it be that she was late for such an important interview?

A. might        B. can                C. must                D. may

 I was about to tell everyone the truth ______  she turned up.

   A. while        B .when        C. as              D .till

The bag has lots of things in it, ______ an old dictionary.

A. containing   B. showing      C. holding          D. including

He is always full of ______ as if he never knew tiredness.

A. strength        B. force           C. energy          D. spirit

The experiment done by Tomlinson _______successful.

    A. proves     B. was proved   C. is proved        D. prove

_________ to education , she spent much time communicating with the students and their parents.

    A. Devoted   B. Devoting     C. Having devoted   D. Devote