[ Modals ]
Mum ……………………….. wear glasses to read – she can’t see properly without them.
A. must
B. has to
Select your answer:

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Verb Patterns › ViewI understand that you need __________ it over carefully.
A. think
B. thinking
C. to think
Tenses › View
In Asia, for many centuries, physicians _____ foot massage as an aid to the treatment of major health problems.
A. have used
B. are using
C. were using
D. had been using
E. used
