[ 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:
Modals › ViewWhen you have a new job, you ___ be late the first day. In fact, it is a good idea to be few minutes early.
A. mustn’t
B. can’t
Verb-ing and Infinitive › View
Would you like …………… today?
A. swim
B. to swim
C. swimming
D. swam
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