[ Grammar, Conditional Sentences, Vocabulary ]
We might have been at the airport for hours, if we _______ that the flight was delayed.
A. had known
B. had not known
C. know
D. knew
Random Topics:
Verb-ing and InfinitiveIf Conditional Zero and OneAuxiliary Verbs (be, do, have)was wereTOEFLConditional Sentences and AdverbsPresent Perfect and Simple Past TenseWish, Unless, If sentencePresent simple or Past simpleFuture PlansOther quiz:
Conjunction › ViewTo pass the university entrance exam, she worked_______hard_______she became exhausted.
A. such – that
B. so – that
C. both – and
D. not – but
Vocabulary › View
I saw an _____ piece of gold.
A. genuine
B. authentic
C. real
Future Tenses › ViewShe ……… her brother’s birthday party next Saturday.
A. is going to attend
B. attends
C. will attending
D. attended
Past Tenses › View
The children (play) football when their mother (come) back home.
A. were playing-came
B. played -came
C. was playing-came
D. were playing-come