[ Grammar ]
Currently, I……… a research into air pollution in our town.
A. does
B. do
C. did
D. am doing
Random Topics:
Past Simple VS Used toPresent Continous TenseCountable and Uncountablemust/shouldClauses and ConjunctionPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousAdverb Clause ConnectorQuantifiers & Modals of ObligationThird Grade ExamPresent Simple ProgressiveOther quiz:
Reported Speech and Reported Questions › ViewJenny says: “My mom is happy today”
A. She said her mom was happy today
B. She said his mom is happy today
Grammar › View
Jason ______ exercise before（在……之前）he worked in the gym. Now, he ______ it after work every day.
A. never; did
B. didn’t; did
C. doesn’t; does
D. didn’t; does
Grammar and Structure › ViewHe —– Tim tommorrow.
A. is
B. meets
C. isn’t meeting
D. meet
Subject-Verb Agreement › View
Three-quarters of the student body __________ against the tuition hike.
A. Is
B. Are