[ Modal Verbs ]
Some people believe that the government _______________________ allow genetically modified crops to be grown on a large scale, as they could spread out of control.
A. does not have to
B. should not

Random Topics:
Offering HelpComparative and SuperlativesPronounsAuxiliary Verbs & Question TagsPresent Perfect Continuous TenseV-ing/to-VGrammar: Imperative and Exclamatory SentencesConditional TensesActive-Passive VoicesModals of Necessity and SuggestionOther quiz:
Vocabulary and Grammar › ViewVictor ____ an award for his bravery. He certainly deserved it.
A. gives
B. gave
C. was giving
D. was given
Tenses › View
X: I think we’re going to be here for a while.
Y: But we have been standing in line for almost an hour.
A. are standing
B. have stood
C. stand
D. were standing
E. have been standing
Past Simple VS Used to › ViewMy sister … only good marks at school.
A. used to get
B. didn’t used to get
C. use to got
D. didn’t used to got
Relative Pronouns › View
Hampstead is a district in North London ____ a lot of rich people live.
A. where
B. that
C. which
D. whose
