He looks upset. He doesn’t know ________.
| A．what to do it | B．how to do it |
| C．how to do | D．do what |
--Mark, would you like _________tennis with me after school?
--Yes, I’d love to.
| A．play | B．playing | C．played | D．to play |
My parents and I _______ abroad last year.
| A．go | B．will go | C．are going | D．went |
My watch works very well. There is _______wrong with it.
| A．something | B．anything | C．nothing | D．everything |
--______you swim?
-- No, I can’t.
| A．Can | B．May | C．Must | D．Need |
Lisa sent for a doctor because she felt much __________.
| A．ill | B．worse | C．worst | D．the worst |