–Where’s Carol?
–I saw her _______ into the teacher’s office a few minutes ago.
| A．walk | B．walks | C．walked | D．to walk |
Linda eats ________ rich food. She must change her diet.
| A．too many | B．too much |
| C．much too | D．many too |
Amy thinks hamburgers are not healthy, so she _________ eats them.
| A．seldom | B．always | C．usually | D．often |
It takes Jack ______ hour to practice playing _______ volleyball every day.
| A．a; / | B．an; the | C．an; / | D．a; an |
Li Ming plays the piano ___ a hobby.
| A．as | B．of | C．be | D．make |
Lucy is interested in ___.
| A．swim | B．to swim | C．swiming | D．swimming |