There are many books available …… one how …… magic tricks.
A. to teach / to perform
B. teaching / performing
C. teach / to have performed
D. taught / to be performed
E. to be teaching / performed

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Do not- Does notIf- ConditionalGrammar - Present Perfect with already, just, yetGrammar, adverbs of frequency placementPerfect and Past TenseWho or WhomQuestion WordsPositive and Negative ConnotationsLinking Words and ConjunctionTOEIC Grammar and Vocabulary ReviewOther quiz:
Grammar › ViewI’d like _________ the Viet Nam Museum of Ethnology this weekend.
A. visiting
B. to visit
C. visit
D. A and B are correct
Grammar › View
What does a chef do?
She _____________________.
A. takes care of food
B. helps food
C. cooks food
D. cleans food
Which sentence uses “may” to ask for permission?
A. May I leave the table?
B. May I leaving the table?
C. May I leaves the table?
D. May I to leave the table?
Grammar › View
The idiom “right off the bat” is closest in meaning to:
A. Frequently
B. Immediately
C. Understand a problem
D. Solve a problem
