[ Grammar ]
Please be quiet. I ____ (try) to concentrate on my math homework.
A. am trying
B. are trying
C. try
D. tries

Random Topics:
Grammar: was/wereNarrative, Past TensesAdjective & AdverbConditional SentenceAdverb of TimeQuantifiers and ArticlesModals TensesFragment, Comma Splice and Run -on SentenceVerb PhraseNouns FormationOther quiz:
Prepositions › ViewShe met her best friend in September, 1999 __ Seoul.
A. At
B. On
C. In
Past Tense › View
In June 2008 they ____ (still / build) this shopping centre.
A. still built
B. were still building
C. had still been building
D. had still built
Vocabulary › ViewWhat is ‘command’?
A. To give an order
B. The day before tomorrow
C. The highest part
D. He helped ______ the building.
Present or Past Tenses › View
What is the correct form of the verb ‘to go’ in past tense?
A. Gone
B. Going
C. Went
D. Goed
