Poor management and leadership      widespread trouble in New Orleans in the days after Hurricane Katrina.

       A．led in                  B．devoted to           C．related to            D．contributed to

Only three days ago        the mistake I’d made the other day.

       A．did I know          B．I knew                C．do I know           D．I know

It is suggested that a new president           for this college.

       A．appointed                                            B．should be appointed

       C．is appointed                                         D．has been appointed

We want to know what they feed the sheep            .

       A．to                       B．on                       C．as                       D．for

The woman carrying a baby, come in first,       ?

       A．will you               B．don’t you            C．will she              D．doesn’t she

His failure in the exam suggested that he        the teacher’s instructions.

       A．needn’t have followed                          B．can’t have followed

       C．mustn’t have followed                         D．shouldn’t have followed

The contacts between China and African over the centuries led to the     of each other’s existence.

       A．aware                 B．knowledge           C．awareness           D．learn

Our new lab is said         instruments made in American.

       A．to equip with                                       B．to be equipped with

       C．to have equipped with                          D．to be equipping with

―Have you         gas?

―Yes,         . I think I should buy some.

       A．run out of; I have run it out                  B．run out of; my gas has run out

       C．run out of; my gas has been run out      D．run out; my gas has run out

enough           A．cough              B．cousin             C．youth              D．shoulder