[ Tenses ]
The students ______ the floor when the headmistress came in.
A. were mopping
B. mop
C. have mopped
D. are mopping
Random Topics:
Grammar - Present Perfect with already, just, yetPresent/Past/Past ParticplePassive SentenceBe used to vs used toSo or SuchSpeculation with Modal VerbsInfinitivesDegree of ComparisonPast Tense vs Present TensePunctuationOther quiz:
Grammar › ViewWhich one of these are not verbs
A. Ball
B. Move
C. me
D. you
Grammar › View
The baby …. for three hours
A. has sleep
B. has slept
C. has sleeping
D. has been slept
Grammar › ViewSelect the correct phrase to complete the sentence: “The quality control team checks the materials ___ they are delivered.”
A. after
B. before
C. while
D. during
Vocabulary › View
Your education background is a ____ factor for your future career.
A. motivated
B. well-informed
C. decisive