[ Tenses ]
The students were screaming ……………..the teacher walked in.
A. after
B. when
C. while

Random Topics:
Adjective / Noun + to InfinitiveWill & Be going toGerund or InfinitivesPresent Simple TenseAdverbial ClauseFragment, Comma Splice and Run -on SentenceUnless If First ConditionalPresent and Past Simple TensePossessive Nouns with Apostrophes and PronounsCOUNT - NONCOUNT NOUNSOther quiz:
Vocabulary › ViewWhich of the following IS NOT a conjunction?
A. And
B. But
C. Because
D. Or
E. The
Verb Patterns › View
Do you mind ….(open) the window? It is too dusty.
A. open
B. opening
C. to open
Tenses › ViewFather _______ the newspaper every morning.
A. buy
B. buys
C. buying
D. is buying
Grammar › View
Please be quiet. I …………………………………. (try) to concentrate.
A. am trying
B. is trying
C. are trying
D. try