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1)___ many sharks in the aquarium?
a) are there b) is there c) will there d) was there

2)___ an eel in the aquarium, too?
a) will there b) was there c) were there d) have there

3) ___ enough salt in the pasta?
a) will there b) was there c) were there

4)___ 3 pensils on the table a minute ago.
a)there was b)there were c)there have been

5) ___ not much pollution in this city?
a)there is b)there were c)there no