[ Grammar ]
Which spelling is correct?
A. a stairght line
B. a straight line

Random Topics:
Communicative GrammarGrammar and StructureFor vs SinceUse of Prepositions or ConjunctionsGrammar on ConditionalsFunctional Sentence TypesPast Tense (Regular and Irregular)Verb Tenses and Past ParticiplesConditional Sentence Type 2The First Conditional (if/unless)Other quiz:
Grammar › View“Did Mark pass all his exams?” he asked.
He asked if Mark ______ all of his exams.
A. has passed
B. have passed
C. had passed
D. passed
Conditional Sentences › View
I was busy. If I_____ free time, I_____ to the cinema with you.
A. have / would go
B. had / will go
C. had had / would have gone
D. have had / go