There are no stamps. I ………….. buy some at the post office.
A. must
B. may not
C. mustn’t
D. don’t have to

Random Topics:
Quantifiers / Prepositions of Time and Comparative AdjectivesDistinguishing Future TensesMiscellaneous Grammar UsagesGRAMMAR - Could / Could notGrammar - Compound SentencesThere is, There are, Some, AnyGrammar: AgreementPronouns/ Present TenseV-ing/to-VPresent Tense (Negatives and Questions)Other quiz:
Grammar and Vocabulary › ViewShe was cleaning her teeth when the phone ________.
A. was going to ring
B. was ringing
C. rang
D. ring
Tenses › View
They / Hanoi / their summer vacation / last month.
A. They are in Hanoi on their summer vacation last month.
B. They were in Hanoi on their summer vacation last month.
C. They in Hanoi on their summer vacation last month
D. They was in Hanoi for their summer vacation last month
Grammar › ViewA: Mark, can you take a look at this? My computer crashed. Can you help me?B: Sorry, I don’t know much about computers, but Anabell is a computer programmer, she__________________ help you logically.
A. May be able to
B. Had better not
C. Had better
D. Must be able to
Gerund and Infinitives › View
Mary was the last applicant …………….
A. to be interviewed
B. to interview
C. to be interviewing
