---How did you work out the difficult chemistry problem?--- I worked it out by _

---How did you work out the difficult chemistry problem?--- I worked it out by _

题型:不详难度:来源:
---How did you work out the difficult chemistry problem?
--- I worked it out by ________.
A.working with a groupB.think very hard
C.ask the teacher for helpD.doing oneself

答案
A
解析

试题分析:句意:你是如何解决这个化学难题的?下文by是介词,表示通过某种方式,后面接名词或者动名词作宾语,选项A表示通过小组合作,选项D语义不符,结合语境可知选A。
点评:英语中原形动词一般只能用作句子的谓语,不能用作介词或者动词的宾语等句子成分。解答此题还需要了解各个短语的基本含义及用法的不同,同时注意其表示多个含义的现象,然后结合语境选择合适答案。
举一反三
---What should we do next?
--- The first thing is ________ a hotel ________.
A.to find; to stay
B.to find; to stay in
C.find; staying
D.find; to stay

题型:不详难度:| 查看答案
How kind you are! You always do what you can ________ me.
A.helpB.helpingC.to helpD.helps

题型:不详难度:| 查看答案
---Is tea ready?
---No, mother is ________ it ready now?
A.doingB.cookingC.burningD.getting

题型:不详难度:| 查看答案
---I’m sorry, Linda. I’m late.
--- Oh, Kate. You have kept me ________ for you for half an hour.
A.waitB.waiting
C.to waitD.waits

题型:不详难度:| 查看答案
— Thank you for ______ me _______ the housework. —My pleasure.
A.help; to doB.help; with
C.helping; doingD.helping; do

题型:不详难度:| 查看答案
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