[ Idioms ]
They ran ___ against several problems when they tried to build the bridge in that area.
a. off
b. on
c. up
Select your answer:
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Verb to have › ViewToday we ……… english class.
A. are
B. is
C. have
D. has
Progressive Perfect and Simple Verb Tenses › View
The Future Perfect tense uses which helping verb?
A. has
B. have
C. had
D. will have