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She was very surprised________ the grade she received.
A. at
B. on
C. Of
D. about

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Grammar › ViewWhat is the best definition of an infinitive?
A. A verb phrase with an -ing word
B. A verb that ends in -ing and functions as a noun
C. A combination of helping verbs and other words
D. The word “to” plus a verb
Present Perfect › View
I ___________________________ a cat.
A. have had never
B. has had never
C. have never had
D. has never had
Vocabulary › ViewAn investor is someone who:
A. Buys goods for personal use
B. Puts money into financial schemes, property, etc., with the expectation of achieving a profit
C. Sells goods in a market
D. Manages a company
Grammar › View
She agreed ______ the committee.
A. at joining
B. with join
C. to join
D. for joining