—Why are you standing here, Mrs. White ? —I’m waiting for my son, he ________bac

—Why are you standing here, Mrs. White ? —I’m waiting for my son, he ________bac

题型:不详难度:来源:
—Why are you standing here, Mrs. White ? 
—I’m waiting for my son, he ________back form school.
A. won’t               B. hasn’t come            C. doesn’t
答案
B
解析
此题重点考查现在完成时的基本用法和构成。表示发生在过去的动作对现在造成的影响或结果。其基本构成为have或has+动词的过去分词。
举一反三
—I _______ my hometown for ten years. I really miss it!
A. have been away from     B. have left          C. went away from
题型:不详难度:| 查看答案
His grandparents ______ Hangzhou for 40 years. They like living there.
A.have been in B.have been toC.have gone toD.have moved to

题型:不详难度:| 查看答案
It __________ hard outside, let’s not go shopping.
A.rainsB.will rainingC.rainingD.is raining

题型:不详难度:| 查看答案
I ____this English book since I came to Zhongshan High School.
A.boughtB.have hadC.hadD.have bought

题型:不详难度:| 查看答案
-----How many times____Chang’e I____the moon ? ---Only once.It ____there last year.    
A.did..,go to / has gone B.had… gone to/went
C.has… been to/wentD.has… gone to/has gone

题型:不详难度:| 查看答案
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