II. Grammar and Vocabulary (15 points)
21. Hunger is _____ number one global health risk, so ______WFP has organized a lot of programmes, which targets people most at ________risk.
| A．the, the, / | B．a, the, / | C．the, / , / | D．a, a, a |
I don't know when he ___. But when he ___ back, I’ll let you know.
| A．comes ; will come | B．will come; comes | C．comes;comes | D．will come; will come |
Mr. King, manager of a big department store, is about to pay a visit ___ Chian next month.
| A．for | B．to | C．about | D．in |
Could you ___the radio a little? It’s too noisy.
| A．turn on | B．turn down | C．turn off | D．turn into |
Once ___, it can never be forgotten.
| A．see | B．to be seen | C．seen | D．saw |
--Has he passed the exam yet? ---No,He ___ it if he had studied harder.
| A．would pass | B．passed | C．should has passed | D．would have passed |