[ Grammar ]
There ___ some children in the playground 30 minutes ago.
A. was
B. weren’t
C. were

Random Topics:
Mixed Present TensesQuantifiers & Modal VerbsDeterminers & QuantifiersModals: Possibility, Necessity, ExpectationVocabulary, Adjective & PrepositionGrammar : can, could and be able toAdverb of FrequencySimple Past or Past ContinuousPhrase or ClausePast Simple & Past ContinuousOther quiz:
Vocabulary › Viewa scientific test to try out something in order to learn about it
A. eyewitness
B. firsthand
C. theory
D. experiment
Grammar › View
___ he arrives soon, we will have to start the conference without him.
A. Suppose
B. Provided
C. Unless
D. If
Grammar › ViewHe __________ (walk) around the lake every morning.
A. walk
B. walks
C. walked
D. was walking
Grammar › View
He __________ be rude to others.
A. should
B. shouldn’t
C. should to
D. shouldn’t to
