[ When vs. While ]
… I was waiting for the bus, someone came and asked questions.
a. when
b. while

Random Topics:
Time and CalendarPresent Simple & ContinuesWish, Unless, If sentencePreposition after some VerbsBASIC GRAMMAR - PRONOUNSPunctuationsComparisonsCommasWestern Europe CountriesSubject-Verb AgreementOther quiz:
Grammar › ViewI won’t forget________ to attend a fancy-dress party last winter.
A. to invite
B. to be invited
C. inviting
D. being invited
Noun Clause › View
Some schools report … students are being given reading assignments and homework.
A. it
B. it is
C. that is
D. that
Grammar › ViewThe cat ______ on the window sill.
A. is sleeping
B. sleeps
C. sleep
D. sleeping
Grammar › View
Select the adjective in the sentence.
Matthew came home from rugby with a filthy kit.
A. rugby
B. filthy
C. kit
D. came