—What’s wrong with your ipad? The sound         is not clear.

   —Yes. It has been broken for some time.

    A．come out         B．coming out       C．to come out      D．came out

．She is fed up with sharing a house with others;           , she is looking for her own flat.

    A．moreover         B．otherwise        C．however          D．therefore

If we use the new recycling method, a large number of trees          .

    A．are saved        B．will save        C．will be saved    D．have saved

          left the door unlocked must be held responsible for the accident.

    A．Whomever         B．Whoever          C．Whatever         D．Whenever

With a lot of tough problems        , the pilot was still calm, cool and collective under pressure.

    A．solve            B．solved           C．solving          D．to solve

．What I like about Harvard is       there’s the old classical look—there are parks and traditional buildings.

    A．why  B．where    C．that D．how

—The battery in my cell phone is running low.

   —I        that last night before we went to bed.

    A．was noticing B．have noticed C．would notice D．had noticed

More than a quarter of the energy        in the United States goes to moving people and goods from one place to another.

    A．using            B．used             C．to use           D．use

The part in the film        the man broke down the door made some of the audience give a cry.

    A．which            B．who              C．where            D．whom

When Thanksgiving Day is         the corner, stores and supermarkets are busy with people.

    A．around           B．on               C．with             D．at