[ Past Modals ]
They got lost in San Francisco. They _______ used the GPS on their phones.
A. should have
B. shouldn’t have

Random Topics:
Tenses and StructuresConditionals and WishesComparisionsGerunds + To InfinitivePast Simple VerbsPresent Perfect and Present Perfect Progressive TensesWord Formationused to vs be used to vs get used toFamily Members and Present SimpleFigurative LanguageOther quiz:
Regular Plural Nouns › ViewChoose the correct plural form of the noun.
half
_____
A. halfs
B. halfes
C. halves
Modals › View
We ____ finish the other books before the final exam, so we ____ take any other literature classes.
A. will have to; won’t have to
B. had to; had to
C. have to; have to
D. don’t have to; have to