[ Idioms ]
They ran ___ against several problems when they tried to build the bridge in that area.
a. off
b. on
c. up

Random Topics:
Possessive PronounsEs and SAdverbIntermediate Prepositions-ed/-ing Adjectives3rd Person SingularPerfect and Past TensesPast Simple (to be)Gerunds in SentencesPersuasive TextOther quiz:
a, an, the, Zero Article › ViewMy favourite street in Montreal is _______ Sherbrooke.
A. __
B. The
Vocabulary and Grammar › View
He shouldn’t _______ so fast to avoid accidents.
A. drives
B. to drive
C. driving
D. drive
Subject Verb Agreement › ViewLions___in Africa.
A. live
B. lives
Auxiliaries Verb › View
………………. I have a word with you?
A. Will
B. Shall
C. Can
D. Must
