[ Grammar ]
This invention made a major contribution ____ road safety.
A. in
B. to
C. for
D. on

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Conditionals 1,2,3Present Tenses and ConnectorsPassive of Modal VerbsGrammar - Present Perfect with already, just, yettoo / enoughPhrasal Verb & Prepositional PhraseCommon ErrorComparisonsPronoun Antecedent AgreementComparison and ModalsOther quiz:
Indirect Question › View“Where are your friends eating lunch?” asked the teacher.
- The teacher wanted to know where the student’s friends were eating lunch.
- The teacher wanted to know where the student’s friends eating lunch were.
Grammar › View
The only thing _________ matters is life.
A. that
B. what
C. who
D. I don’t know
Grammar and Vocabulary › ViewI ________ my car serviced tomorrow afternoon.
A. ’m having
B. have to
C. had
Grammar and Punctuation › View
Which sentence must end with a question mark?
A. Do you know how long it took for the trees to grow
B. We have planted rose bushes around the trees
C. How beautiful the flowers will be
D. I will ask my teacher if I can show you
