[ Gerunds And Infinitives ]
She doesn’t appreciate …… ……, so make sure you get there on time.
A. keeping / to wait
B. to keep / to be waiting
C. to have kept / having waited
D. being kept / waiting
E. to be keeping / waited

Random Topics:
Grammar AssessmentPrepositions of Time, Place, and MovementAspect or tenses of Verbsso vs suchAdjectives and PrepositionsGrammar (want to/ need to/ have to)Pronouns and QuantifiersVerbs & AdverbsGrammar ClausesModals and TensesOther quiz:
Vocabulary & Grammar › ViewThe rivers in this area are seriously polluted ____________ harmful waste from factories.
A. such as
B. because
C. because of
D. except for
Modal Verb › View
You ________ come swimming if you don’t want to.
A. don’t have to
B. mustn’t
C. shouldn’t
Grammar & Tenses › View“How old is the castle?” “It _______________ (believe) to be over 900 years old.”
A. is believed
B. was believed
C. is being believed
D. was being believed
Past Continuous › View
The teacher was angry because some students __________ football in the class when he came in.
A. playing
B. was playing
C. were playing
D. is playing
