Question:
Find the mistake: There is a lot of online language learning programs which are able to interact with learners.
-
A.
is -
B.
learning -
C.
which -
D.
to interact
Reference explanation:
Correct answer: A
Knowledge: The harmony between subject and verb
There is + N (singular)
There are + N (plural)
“Online language learning programs” => plural noun
Edit: is => are
There are many online language learning programs that have the ability to interact with learners.
The answer to choose is: A
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