9 slides
You _____ do something to solve this problem.
must
have to
I don't like these clothes, but I _____ wear them at work.
must
have to
Oh! I ______ return this book to the library 2 weeks ago!
have to
must
had to
He _____ call his mother tommorow.
must
has to
The doctor has put Sandra on a strict diet. She _____ eat more fruit and vegetables and do more exercise.
must
has to
People _____ drive on the left side in UK.
had to
has to
have to
must