He had been working for more than 11 hours. He _________ be tired after such hard work.
He _______ prefer to get some rest.
A. must / may
B. can’t / may
C. could not / has
D. could / can’t

Random Topics:
Tenses, Tag Questions, Phrasal VerbsPrepositions after Verbs and AdjectiveAdverbs of Time and PlaceWord Form & Verb TenseReported Speech and Reporting VerbsTransition WordsGrammar: MorphologyAdverbial Clause of ConcessionModal Verbs and ConditionalsBecause / soOther quiz:
Grammar › ViewSelect the INCORRECT phrase.
A. the girl’s parents
B. anyone’s guess
C. a week’s vacation
D. his serious’ smile
Modal Requests › View
When does Grace use ‘can’t’ to express inability?
A. When the action is optional
B. When the action is already completed
C. When the action is easy to accomplish
D. When the action is impossible or beyond one’s capability.
Grammar › ViewWe kept fishing till noon but I didn’t catch anything __________ and got really bored with it. To me, it was a stupid waste of time but I certainly wasn’t going to tell Dad that.
A. I
B. myself
C. me
D. my
Homonyms › View
One variety of gin is made from ___ berries.
a. sloe
b. slow
