It’s more than an hour that I _______here, and she still ________I wonder if there’s a problem of some kind.
A. have been waiting – hasn’t arrived
B. have waited – didn’t arrive
C. am waiting – isn’t arriving
D. wait – doesn’t arrive

Random Topics:
Present Perfect or Past Simple TenseFuture or PastNoun Clauses with THATBe going to / WillComparative & Superlative AdverbsPast SimpleAdjectives vs AdverbsShould and Shouldn'tDo not or Does notRelative Pronoun/AdverbsOther quiz:
Grammar › ViewWhich is the correct sentence?
A. I drive usually to work
B. I drive to work usually
C. I usually drive to work
Verb Tenses › View
Form a negative sentence: He likes ice cream.
A. He is fond of ice cream.
B. He likes vanilla ice cream.
C. He does not like ice cream.
D. He does not enjoy ice cream.
Vocabulary › ViewWhat does the word stratification mean?
A. Felt or imagined through someone else’s experiences
B. Having elegance and beauty of movement
C. Greatest in status, authority, or power
D. A system or classification consisting of various layers
Vocabulary › View
made possible
A. scuttle
B. enabled
C. craft
D. compelled
