[ 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:
Grammar › ViewInsert the correct punctuation in the sentence: Are you coming to the party on Saturday or Sunday
A. Are you coming to the party on Saturday; or Sunday?
B. Are you coming to the party on Saturday or Sunday?
C. Are you coming to the party on Saturday, or Sunday?
D. Are you coming to the party on Saturday. Or Sunday?
Grammar › View
Fill in the blank:
They will tell you _____________ are pieces missing.
_
A. they’re
B. their
C. there
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