[ Grammar and Vocabulary ]
Mr. Kimseng can’t talk on phone because he ……………. dinner right now.
A. is having
B. haven’t to
C. haven’t
D. mustn’t to

Random Topics:
Causative VerbPrepositions of Time and PlacePassive Modals, Impersonal PassiveWishes & Reported SpeechPresent Progressive (Future)Expressing Obligation and ModalsPresent Simple x Present ContinuousAspect or tenses of VerbsFOR & SINCEModal Verbs of ObligationOther quiz:
Grammar › ViewHe sometimes _______________ chess.
A. play
B. plays
C. played
D. is playing
Verb Patterns › View
She apologized for __________ the confidential information by mistake.
A. disclose
B. disclosing
C. to disclose
D. disclosed
Tenses › ViewThey … some fruits for my family
A. buying
B. buys
C. bought
D. buy
Grammar › View
Some people are shy with people but good at acting
A. Declarative
B. Interrogative
C. Imperative
D. Exclamatory
