Test Mode
Reading Mode
Right = 0
Wrong = 0
If a hypothesis
That a hypothesis
A hypothesis
Hypothesis
The situation may not improve
The situation don't improve
The situation doesn't improve
The situation isn't improve
have written
have been written
had written
has written
Smartphones will lose their popularity someday.
Smartphones will lose their popularity sometime.
Smartphones will lose their popularity once upon a time.
Once upon a time smartphones will lose their popularity.
He used the phrase you know so often that I finally said , No I don't know.
He used the phrase
He used the phrase you know so often that I finally said ,
He used the phrase
The pH of a M HCl solution is 2
The pH of 0.01 M solution is higher than 7
The pH of a 0.01 M NaOH is 12
The PH of a M HCl solution is 9
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