[ Prepositions ]
The child knocked __________ the door and asked if Peter could come out and play.
A. In
B. On
C. At

Random Topics:
Tenses and VerbsComparatives or SuperlativesMust or Mus notTOEFLApostrophe GrammarPronouns, Verb, ConjunctionVerbs + Gerund or InfinitiveConjunctions - ConnectorsModalsVerb-ing or to VerbOther quiz:
Gerund and Infinitive › ViewLisa once dreamed of ___ (sing) in front of ten thousand people.
A. to sing
B. sing
C. sings
D. singing
Past Tenses › View
It tell us that an action was in progress, but not when it was finished.
A. simple past
B. past continuous
C. present continuous
Present Continuous Tense › ViewRead the conversation carefully.
Imam :What are you doing?
Dody: I’m watching TV. It’s Spongebob.
I like this film very much.
Imam : You should . . . now. You are going
to have a test tomorrow, right?
A. be studying
B. studying
C. be study
D. study
Grammar › View
I _____Julie while I ______ in the pool.
A. was meeting, swam
B. met, was swimming