His parents ______ teachers.
A. is B. are C. am D. Be
I’m ______, because today is my birthday.
A. sad B. happy C. angry D. afraid
He ______ in the hospital.
A. work B. works
C. working D. worker
What does his sister ______?
A．do B. does C. doing D. Work
—_______ does your mother go to England？
—By plane.
How B. What C. Where D. Who
You should ____ hard.
A. studies B. studying
C. study D. Studys
