I catch cold now and then.
22. Food aid______ is the key to______ the problem _______ now.
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.
29. The key ____ English well is to read more when ____.
34. The biggest problem for most plants, which _______ just get up and run away when threatened, is that animals like to eat them.
33. ---How long have you been in this office? ---Just a few minutes. My cousins _______ here together with me.