—Let’s go dancing tonight.!
—Sorry, I ________.I have to go to my guitar lesson.
A. mustn’t B. needn’t C. can’t
My mother often tells me _______ my classmates when they need.
| A．help | B．to help | C．helping | D．helps |
Do you prefer _______?
| A．skate | B．skates | C．skating | D．skated |
You should _______ the doctor’s advice and _______ the medicine on time.
| A．follow; eat | B．follow; take | C．take; eat | D．eat; take |
Sally sings pretty _______ and she is also _______ at dancing.
| A．well; well | B．good; good | C．good; well | D．well; good |
—Excuse me, can you give me a _______?
—Sure.
| A．hand | B．help | C．ball | D．favor |