[ Tenses ]
I think the waiter _____ us. We __________ here for 30 minutes!
A. Has forgotten … have been waiting
B. Has forgotten … have waited
C. Has been forgetting … have been waiting
D. Has been forgetting … have waited

Random Topics:
Modals of Probabilityduring, for, whileGrammar Like & Linking VerbVerbs: Will & Going toPast Simple or Past ContinuousConditional and Mix Conditional SentenceDistinguishing Future TensesPast ModalsPreference & Future TenseReported - GerundOther quiz:
Punctuation › ViewWhich word in this sentence needs a capital letter?
Have you ever visited the Okefenokee swamp?
A. you
B. visited
C. swamp
D. ever
Vocabulary › View
What ______ do you like to study?
I like to study English and Maths.
A. school
B. period
C. uniform
D. subject
Grammar › ViewMy dad is ______(sleep) now.
A. Sleeps
B. Sleeping
C. Sleepes
D. Sleep
Past Tenses › View
Jia Jun _____ 10 pounds when he was born.
A. is
B. was
C. being
D. were
