[ Grammar ]
There are about 200 countries in the world, …?
A. aren’t there
B. isn’t there
C. doesn’t it

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Es and SConjunctions - ConnectorsEd and Ing EndingsPronounsPrepositions and TensesInfinitiveTenses, Tag Questions, Phrasal VerbsSubjunctivesCardiology ServicesDo not- Does notOther quiz:
Grammar › View“We visited an exhibition yesterday,” they said.
A. They said that they visited the exhibition yesterday
B. They said that they had visited the exhibition yesterday
C. They said that they was visited the exhibition yesterday
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When were your parents listening to Rolling Stones?
A. When they were young
B. When they are young
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D. When they have been young
Science › ViewWhat is the commonest element in Jupiter?
A. Helium
B. Bromine
C. THERE IS NO ATMOSPHERE
D. Fire, water, grass, steel, flying, dark, light, bug, rock etc.
E. Hydrogen
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They discussed that question in … person, face to …face.
A. the, a
B. -, the
C. a, the
D. -, –
