[ Tenses ]
Mary _________ on the essay for two hours now and she hopes to finish in one more hour.
A. is working
B. has worked
C. will have worked
D. has been working

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Grammar › ViewWe are going by car because the sports / sport centre is quite far, isn’t it?
A. sports
B. sport
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Nowadays, automobile manufacturers have industrial robots ______ human workers in factory operations.
A. replace
B. to replace
C. replacing
D. replaced
Grammar › ViewThis is ……………………… game I have ever played in a long time.
A. as long
B. long
C. the longest
D. longer
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The city…. I grew up has changed a lot.
A. which
B. where
C. that
