10.( ) And in this way, one of the world’s favorite _____ was invented.
A. machine B. machinery C. machines D. machining
9.( ) I don’t like eating chocolate. The taste is too ______.
A. crispy B. salty C. sour D. sweet
8.( ) I think the most helpful ______ is the light buld.
A. inventions B. invention C. invented D. inventor
7.( ) This beautiful picture was taken by _____.
A. him B. his C. he D. hers
6.( ) The task can _______ next week.
A. do B. did C. be done D. be do
5.( ) Anna is ______ to choose her own clothes.
A. allowed B. allows C. allowing D. allow
4.( ) My skirt is more expensive than _____.
A. she B. her C. hers D. him
3.( ) A friend of ______ came to see ______ yesterday.
A. her, I B. hers, I C. her, me D. hers, me
2.( ) It’s used for ______ really cold ice cream.
A. scooping B. scooped C. scoop D. scoops
1.( ) The abacus _____ invented in the sixth century by Chinese people.
A. be B. is C. was D. were