[ Tenses ]
X: I think we’re going to be here for a while.
Y: But we have been standing in line for almost an hour.
A. are standing
B. have stood
C. stand
D. were standing
E. have been standing

Random Topics:
Verbs, Tenses, and VocabularyPersonificationPronounSubordinate ConjunctionsFuture Tense - will and going toMixed TensesTOEIC Grammar and Vocabulary ReviewPhrasesSimple Past Tense and Present Continuous TenseModal and Modal PerfectOther quiz:
Homonyms › ViewShe brushed out the hair of her horse’s ___.
a. main
b. mane
c. mein
Grammar › View
Lisa is very young. She can’t stay home alone.
A. Lisa is too young to stay home alone.
B. Lisa is very young too stay home alone.
C. Lisa is enough young to stay home alone.
Grammar › ViewDiscourse is what form of grammar?
A. Adverb
B. Noun
C. Verb
D. Adjective
Grammar › View
What kind of verb is have? I have been waiting for an hour.
A. action
B. linking
C. helping/auxiliary
