[ Grammar ]
They (look) for their cat since morning.
a) have been looking
b) have looked
c) has looking

Random Topics:
Verb & GrammarCoherent Sentence with Correct Grammar StructureWould rather/ would prefer/ would likeSentence CompletionAlthough, Though, In spite of, DespiteA(n), the, no articlePast and Present TensesTravel VocabularyPronouns of QuantityGrammar TOEFLOther quiz:
Grammar › ViewYou should look both ways when you cross the street.
A. You should look both ways crossed the street.
B. You should look both ways when crossing the street.
C. You should look both ways cross the street.
D. You should like both ways inside of the street.
Vocabulary › View
When you _______, you provide, give, or add on to something.
A. conclude
B. contribute
Simple Past Tense › ViewIf I . . . much money, I would . . . an expensive racing car that time.
A. Have – bought
B. Had – buy
C. Have – buy
D. Had – bought
Tenses › View
……….to the laboratory yet?
A. Did you go
B. Have you been
C. Are you
D. Were you