[ Time Clauses of Future ]
I will open the door ________ father rings.
A. so
B. yes
C. when
D. while

Random Topics:
Formal & Informal WordsInversion + Passive VoicePossessive Adjectives VS Possessive PronounsTOEIC Tenses, VerbsSimple Past - Irregular VerbsNoun and Modal VerbsActive vs. Passive VoiceCardiology ServicesPresent ContinuousPhrasal VerbOther quiz:
Relative Pronoun › ViewThe car … was bought by Adam two year ago has broken down so many times.
- whom
- which
- whose
Grammar › View
I have …………………. the book to my friend’s house.
A. taken
B. took
Simple Tenses › ViewWhat ___ decided by the committee last week?
A. was
B. is
C. has
D. were
Vocabulary › View
to wipe out
A. dilemma
B. efface
C. debris
