[ Grammar ]
__ play professional tennis, you must be extremely fit.
A. Couldn’t
B. Will able to
C. To be able to
D. Could be able to
Select your answer:

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Grammar › ViewMr. and Mrs. Parsons __________ to work together every day.
A. drive
B. are driving
C. is driving
D. drives
Modal Verbs and Conditionals › View
Choose the most appropriate modal verb to replace the modal verb in capital letters.
You went to Moscow in February? It SHOULD have been cold!
_
A. must
B. could
C. can
