The flowers ____ sweet in the garden in spring.
| A．smell | B．to smell | C．smelling | D．smelt |
--Excuse me, sir. Look at the sign on the wall “NO ____”.
--Oh, I’m sorry. I’ll never do it again.
| A．PARKED | B．SMOKE | C．SPITTING | D．SMOKED |
John asked David how ____ Christmas.
| A．celebrating | B．to celebrate | C．to be celebrated | D．celebrate |
Sally had no pen ____ yesterday morning.
| A．to write | B．to write with | C．writing | D．writing with |
--Hi, Betty. Shall we go swimming this Sunday?
--This Sunday? I am sorry, I have a lot of homework ____ this Sunday.
| A．to do | B．done | C．do | D．to be done |
Although Jeff loves KFC, he tries ____ it too often.
| A．to eat | B．not eat | C．to not eat | D．not to eat |