Error Correction (Items26-35)
Directions: In each short passage below, five mistakes are underlined.
                  Choose the best correction for each mistake.

(Items26-30)

The ostrich is probably the best known among those birds that
cannot fly .They are being the largest living bird, and the only bird
                           26
that is ever having two toes on each foot. It used its great speed and
            27                                                       28
exceptional eyesight by helping it escape from its enemies. Its long
                                       29
leg scarry it in giant strides of above five meters at speeding up to
                                                                                      30
sixty kilometers per hour.
1. their speed
2.its speeding
3. speeds
4. a speeding
5. some speed
3. speeds