1、【题目】Abeamoflightwillnotbendroundcornersunless________(make)todosowiththehelpofareflectingdevice
答案：
解析：
1、【题目】Matter is the name ________ (give) to everything which has weight and occupies space.
答案：
given
解析：
暂无解析
1、【题目】Hefellasleepimmediatelylastnight;hemust________(be)verytired.
答案：
解析：
1、【题目】Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.
答案：
解析：
1、【题目】How long ________ they ________ (dig) the ditch?
答案：
have … been digging
解析：
暂无解析
1、【题目】The floor does not look so bad when ________ (sweep) clean.
答案：
swept
解析：
暂无解析
1、【题目】Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
答案：
解析：
1、【题目】Some molecules are large enough ________ (see) under the electronic microscope.
答案：
to be seen
解析：
暂无解析
1、【题目】Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
答案：
解析：
1、【题目】________ (catch) in the rain, he was wet to the skin.
答案：
Caught (Having been caught,Being caught)
解析：
暂无解析
1、【题目】Those who’d like to visit the exhibition ________ (sign) your names here.
答案：
sign
解析：
暂无解析
1、【题目】Night ________ (fall), we hurried home.
答案：
falling
解析：
暂无解析
1、【题目】________ (fail) several times, they need some encouragement.
答案：
Having failed
解析：
暂无解析
1、【题目】I wonder if he could get it ________ (do) before tomorrow.
答案：
done
解析：
暂无解析
1、【题目】Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
答案：
解析：
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