[ Grammar ]
Helen …… (to wash) the dishes for fifteen minutes.
a. have been washing
b. has been washing.
c. is washing
d. has be washing
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Modals › View. I _________ go to the party tonight if I finish my work on time.
A. Be able to
B. Must
C. Should be
D. Might
E. Will be able to
Adverb of Frequency and Tenses › View
How often (%) we do something if using “usually”
A. 100%
B. 75%
C. 20%
D. 0%