[ Perfect Tenses ]
We _______ to see the doctor all morning.
A. had been waiting
B. have been waiting
C. will have been waiting

Random Topics:
Simple Present TenseGrammar - Sentence StructureMuch, many, a lot of, a few, a littleAdverbs by TypeFuture Simple TensesGrammar - First ConditionalSimple Past - Irregular VerbsActive Voice-Present tenseVocabulary and PhrasesAdjective SuffixesOther quiz:
General Knowledge › ViewWhich product is petroleum NOT used for…
A. Aluminum Cans
B. Plastic bags
C. Gasoline
D. Wax
Must Vs Have to › View
Choose the correct option.
A. You mustn´t come to the party if you are tired. I can go on my own.
B. You don´t have to come to the party if you are tired. I can go on my own.
Grammar › ViewRead and complete: I’ve _____ a horse.
A. Ride
B. Rode
C. Ridden
Tenses › View
Which sentence is not present simple tense?
A. I sleep.
B. She eats ice cream.
C. The earth rotates on its axis.
D. Listen! The baby is crying.
