We never know what might have happened, … the email earlier
A. If he sent
B. If he has sent
C. Had he sent
D. did he send

Random Topics:
Present Simple & Present Continuous TensesArticles with Proper NounsAuxiliary VerbsSpeech TensesCommon & Proper NounsIndependent ClausesPast PassiveActive vs. Passive VoiceExpressing Obligation and ModalsWill or Going toOther quiz:
Grammar › View(Rearrange the sentence.) Woman that mother my friend’s is.
A. Mother my friend’s is that woman.
B. That woman is my friend’s mother.
Modals of Necessity and Suggestion › View
Choose the correct sentence:
A. In Hong Kong, the weather is nice in the fall. You can go there then.
B. In Hong Kong, the weather is nice in the fall. You ought to go there then.
C. In Hong Kong, the weather is nice in the fall. You need to go there then.
D. In Hong Kong, the weather is nice in the fall. You don’t have to go there then.
Phrasal Verb › ViewXin Theng ___ four new dresses in the boutique.
A. try on
B. tryon
C. try in
D. tryin
Grammar and Vocabulary › View
If you don’t eat _________ healthy food, your immune system could become weaker.
A. enough
B. always
C. often
D. regularly
