[ 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:
Grammar › ViewWe _____ not be rude to animals.
A. Can
B. Shall
C. Must
First Conditionals › View
If he __________, I __________ surprised.
A. will come, am
B. come, will be
C. comes, will be
D. will come, be
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