[ 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:
Modals › ViewI lost my ballpen. Can I borrow one from you?
A. a probability
B. a necessity
C. a permission
D. a request
Gerund or Infinitive › View
I can’t stand _________________ a jacket and tie.
A. wear
B. wearing
C. to wear
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
