[ Grammar ]
I ______________ the accident when I was waiting for the Grab taxi.
A. was seeing
B. saw
C. had seen
D. has been seen

Random Topics:
Wish - beginner-ing form and the to-infinitiveSuch...that, so ......thatPhrasal VerbSingular and Plural NounsActive and Passive Gerunds and InfinitivesPassive to ActiveGrammar - must & have toPreposition of TimeParticiple - ing/ edOther quiz:
Past Tenses › View… you … an ambulance while the teacher was talking?
A. Was … hearing
B. Did … hear
C. Did … heard
D. Were … hearing
Tenses › View
Every morning, he ___ his coffee at 8 a.m.
A. drink
B. drank
C. drinks
D. will drink
Quantifiers › View. There is only _______ cheese in this sandwich, so it’s not too heavy.
A. a little
B. a few
C. much
D. many
Tenses › View
We … at the breakfast table when the doorbell rang
A. Was sitting
B. Were sitting
C. Was sit
D. Were sit
