[ Passive Voice with Modal Verbs ]
. The books ______ by next week.
A. must return
B. must be returning
C. must returned
D. must be returned

Random Topics:
Habitual and Continuous TensesVocabulary and ModalsPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTAdverbs, Prefixes, and SuffixesConjunctions and Verb TensesIndefinite and Intensive NounPresent / Future / Present Progressive / non Action Verbsa, an, the, zero articleGerund vs InfinitivePast Tense vs Future TenseOther quiz:
Present Perfect Tense › ViewI _________________ to Oregon twice last year
A. have been
B. has been
C. went
D. was going
Grammar › View
Sena _________________________ walked to work but she took the taxi instead.
A. could have
B. shouldn’t have
C. couldn’t have
D. needn’t have
Tenses and Articles › ViewWhat is the correct form of the present perfect tense of the verb ‘to eat’?
A. have eaten
B. has eaten
C. had eaten
D. ate
Grammar › View
This is the first time we……. such a romantic play.
A. have seen
B. see
C. saw
D. had seen
