28.You won’t find paper cutting difficult _____you keep practicing it.
A. even if B. as long as C .as if D. ever since
29.—Can’t you stay a little longer?
—It’s getting late. I really _____go now, My daughter is home alone.
A .may B .can C . must D .dare
30.—Dr. Jackson is not in his office at the moment.
—All right. I____ him later.
A. will call B. have called C. call D will be calling
31.If ___for the job, you’ll be informed soon.
A .to accept B. accept C. accepting D. accepted
32._____the damage is dooe, it will take many years for the farmland to recover.
A.Untill B.Unless C. Once D.Although
33.I truly believe ______beauty comes from within.
A. that B.where C. what D.why
34.IfI _____it with my own eyes ,Iwouldn’t have believed it.
A .didn’t see B.weren’t seeing C. Wouldn’t see D.hadn’t seen
35._____we understand things has a lot to do with what we feel.
A. Where B.How C.Why D. When