28.CCTV is exactly like a widow on the
world ___you will sit by it and fis your attention on what it shows.
A. if B.as C.while D.unless
29---_________I tell your parents what has
happened to you ?
---No, you _____!They will be worried about me.
A.will ;needn’t B. Would ;
can’t C. Should ; mustn’t D.Must, don’t have to
30 Don’t be discouraged .____things as they
are and you will enjoy every day of your life.
A. Taking B.To take C.Taken D.Take