[ Grammar ]
Helen …… (to wash) the dishes for fifteen minutes.
a. have been washing
b. has been washing.
c. is washing
d. has be washing

Random Topics:
Should and Shouldn'tInfinitives or GerundsIrregular Adjectivesduring, for, whilePossessive Adjectives VS Possessive PronounsCommas and Subordinating ConjunctionsCompliment, Congratulation, and HopeEmployment VocabularyGerunds and InfitinitivesAdjective, Adverb, and Noun FormsOther quiz:
Grammar › ViewI can’t believe Adam! ______ did he come to see me when he was town.
A. Not once
B. Not only
C. In no way
D. Neither
Vocabulary › View
ROVE: He couldn’t stop roving.
A. Getting drunk
B. Traveling around
C. Making a musical sound through closed lips
D. Working hard
. 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%
