[ Modals ]
Which of the following sentences is grammatically correct?
A. You should to study harder
B. You should not to study harder
C. You should study harder
D. You should studying harder
Select your answer:
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a. some
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My grandpa has gone to the pharmacy ___ he didn´t find the medicine …. he feels worse now
A. however / but
B. but / because
C. however / so