改错。选出并改正。（5’）

小题1:The bridgebuiltby the workers three years ago.

A     B     C                     D              (   ) ________

小题2: Watch TV too much is bad for your health.

A          B            C       D              (   ) ________

小题3:Shanghai is one of the biggest city in the world.

A       B      C    D                (    ) _________

小题4:Knives are usedforcut things.

A        B  C   D                           (    ) _______

小题5: Help  yourself to some bread,  children.

A      B       C     D                       (    ) _______

与成人T淋巴细胞白血病有关的是

A．EBV
B．HSV-2
C．HIV
D．HTLV-1
E．HBV