[ Adverbial Clauses ]
I’m sorry about the delay, but I will be back ______.
A. after I had checked this
B. as soon as I have checked this
C. while I was checking this
D. when I checked this

Random Topics:
Present Continuous for FutureVerb AbilityPrepositions - ConjunctionsNoun, Quantifiers and SuffixesPresent Perfect Simple & ContinuousTOEICFuture Tense VocabularyFirst Conditional & Future TensesCorrelative conjunctionsIntensifiers: Really vs VeryOther quiz:
Future Tenses › ViewTomorrow, we ____ shopping.
A. ‘re going
B. go
C. will go
D. ‘re going to go
Personal & Possessive Pronouns › View
Mr Wong has new smartphone. ______________ uses __________ to take pictures of beautiful scenery风景.
A. She, his
B. They, their
C. He, his
D. They, their
Present Simple Questions › View….. your neighbors speak English?
A. Does
B. Do
C. Is
D. Are
Tenses › View
I _ to my teacher now.
A. was talking
B. talked
C. talking
D. ‘m talking