With some technical problems to be solved, it may be a while           the system is put into use.

    A．when           B．after          C．since          D．before

—Excuse me, but could you please turn the radio down?

—Sorry, I        you could hear it.

    A．don’t realize B．haven’t realized  C．didn’t realize  D．hadn’t realized

I think your health will soon         if you do regular exercise.

    A．give up        B．take up        C．pick up        D．get up

—Why did you leave without a word of warning to John?

—But what           otherwise? He never listens to me.

    A．could I have done                    B．would I do

    C．must I have done                 D．should I do

When it comes to reducing stress, enough sleep and physical exercise can help,            .

    A．so does proper nutrition         B．so proper nutrition does

    C．so proper nutrition can          D．so can proper nutrition

—Was the test you took yesterday easy?

—           but easy, but I did my best.

    A．Something      B．Everything     C．Nothing        D．Anything

A Frenchman who lost his arms and legs successfully swam across the Channel, a challenge he

           for two years.

    A．has been preparing               B．had been preparing

    C．has prepared     D．prepares

Education,             with recreation, is what some film makers want to put into their films.

    A．combining      B．combined       C．to combine     D．having combined

—What do you think I should wear for such a formal press conference?

—Dress             you like.

    A．how            B．what           C．whatever       D．however

．             the lawyers, volunteers from the Libyan Red Cross Society also joined the efforts in helping the Chinese go home safely.

    A．Except for     B．In spite of    C．Apart from     D．Instead of