I don’t know _________.
| A．what to do it | B．how to do | C．what to do | D．to do what |
—When should I hand in my paper？
—Your paper must _______as soon as the bell________ .
A. hand in，rings
B. be handed in，will ring
C. be handed in，rings
I won’t go to the concert this evening. I _______watch the NBA on TV . It’s more exciting.
A.had better B.would rather C.ought to
—Oh，I’ve left my bag in the room .
—Don’t worry . I’ll _________it for you .
A. bring B. fetch C. take
The lady in this photo_____ be over fifty! She looks so young.
A. mustn’t B. must C. can’t
-Is Lucy or Lily the_____ of the twins?
-Lucy .She was born half an hour earlier.
A. younger B. older C. elder