Ollerll2
A. Fill in the blanks with the present tense of the given verb. You should use five
verbs in the singular and the other five in the plural.
A Family of polar bears 1
(have) been studied by a group of
scientists for the past five years. The group 2
(observe) the
bears and 3
(record) what they see. All 4 (be)
concerned about changes to the animals habitat. As the ice around them
5
(melt), the family 6
(find) it hard to catch enough
food to feed themselves.
Nobody 7
(know) for certain why the ice is melting, but the
problem is almost certainly connected with global warming. Some people
8
(think) all the ice could disappear over the next hundred
(seem) like a long time, but something
10
(need) to be done long before then to prevent this
years 9
environment disaster.
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Sorry I don't now ok bro by and sorry
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