[ Tenses ]
When Nam came home, his mother …………….. his house.
A. was cleaning
B. cleaning
C. is cleaning
D. cleans

Random Topics:
Prepositions of Time & PlaceGerund/ To Verb/ VerbSimple Past - Irregular VerbsPresent Simple and Modal VerbsSecond ConditionalsLinking Verbs and TensesConditionalsConjunction: Because and SoWh- Questions Present Simple TenseSubordinate ConjunctionsOther quiz:
Grammar › ViewMrs Yong cannot have _________ food for several hours before her operation.
A. the
B. any
C. some
Vocabulary › View
I was tired and couldn’t ____ on doing my research project properly.
A. concentrate
B. look
C. pay attention
D. Both A and C
Vocabulary › ViewWhich word means used of unskilled work (especially domestic work)
A. Dejectedly
B. Phosphorus
C. Except
D. Menial
E. Proposition
Simple Present › View
She ___________ ( study ) English everyday
A. Study
B. Studies
C. Studying.
D. studied