[ Vocabulary ]
What does the word “efficient” mean?
A. Being effective without wasting time, effort, or expense
B. Being slow and careful
C. Being expensive and time-consuming
D. Being ineffective and wasteful
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Gerund and Infinitive › ViewYou’re been taking a lot of nice photographs.
a. becoming
b. about become
c. to become
d. about becoming
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having lots of decorations; to put lots of details in a story
A. elaborate
B. efficient
C. induce
D. infinite
Grammar › ViewHave beautiful colors and sweet songs.
A. sentence
B. fragment
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You _____ have helped me with the groceries! They were super-heavy!
A. could
B. must
C. may
D. can’t