[ Modal Verbs ]
The government _______ improve the infrastructure of big cities to boost the economy.
A. mustn’t
B. doesn’t have to
C. should
D. didn’t have to

Random Topics:
Relative PronounIndefinite and Reflexive PronounsCoordinating ConjunctionPresent Perfect Tense and Simple Past TensePresent Tenses and ConnectorsSuffixes and Tenses-ing form and the to-infinitivePresent Simple and Present ContinuousInterrogative PronounsConjunctions & Cohesive DevicesOther quiz:
Relative Pronouns › ViewChoose the correct relative pronoun: The project ________ I worked on last month was a huge success.
A. that
B. why
C. who
D. where
Modals and Past Tenses › View
Which sentence uses a modal verb to express prohibition?
A. You must study for the exam.
B. You should help your friend.
C. You might go to the store.
D. You mustn’t eat anything before the test.
Grammar Past and Future Tense › ViewDid you drink orange juice this morning?
A. No. I drink pineapple juice.
B. Yes. I drank orange juice.
C. No. I did
D. No. I Can not
Tenses and Word Formation › View
At that time, it_____, the contract satisfied all parties.
A. were signed
B. was signed
C. sign
D. signed
