[ 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:
Tenses › View– What ___ you do yesterday ?
– I went out and had a drink with my friends.
A. do
B. does
C. did
Personal Pronouns › View
… are watching TV. (my mother and I)
A. Them
B. We
C. They
D. You
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
