[ Adverb Clauses of Time ]
Mary usually drinks coffee while she _____ the paper.
A. read
B. reads
C. read (past)
D. reading

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Passive Voice with Modals › ViewWhat is the passive voice form of the sentence: They could solve the problem easily.
A. Easily the problem could be solved by them.
B. The problem could be easily solved by them.
C. The problem could easily be solved by them.
D. The problem could be solved easily by them.
Vocabulary › View
Which word means: a large area of flat land?
A. differ
B. customary
C. plain
D. energized
Passive Sentence › View“Why is Stanley in jail?”
“He_____ of robbery”.
A. Has been convicted
B. has been convicting
C. has convicted
D. convicted
Grammar & Vocabulary › View
Choose the correct form: English is _______ language to learn than Mandarin.
A. a easier
B. an easier
C. easyer
D. easiest
