He works very hard. He puts a lot of hours_____.
A. at
B. for
C. in

Random Topics:
Simple Present - WH QuestionsParts of Speech and Compound SentencesTenses - Pasive VoiceParticiple - ing/ edSimple, Compound, Complex Sentences1st and 2nd ConditionalsAntonymsSimple Present and Present Continuous TensePrepositions of Place & TimePositive and Negative ConnotationsOther quiz:
Grammar › ViewWhich statement is correct ?
A. One of the first results of the police investigation were a redesigning of the whole security system.
B. One of the first results of the police investigation was a redesigning of the whole security system.
C. One of the first results of the police investigation are a redesigning of the whole security system.
D. One of the first results of the police investigation have been a redesigning of the whole security system.
Grammar › View
If they have their holidays in winter, they __________ (stay) at home.
A. will stay
B. won’t stay
C. stay
Indefinite Pronouns › ViewCan …… help me with this exam?
A. Anyone
B. Something
C. Everything
D. Everywhere
Modal Verbs › View
If you had studied harder, you could have passed the exam easily
A. You should have studied harder.
B. You must have studied harder.
C. You can have studied harder.
D. You may have studied harder.
