When I am in the park, I really enjoy watching the children ____ on the grass.
A. to play
B. to be playing
C. playing
D. are playing

Random Topics:
Conditionals and Modals of ProbabilityIf/Unless - Conditional type 1Quantifiers and ArticlesSimple TenseSentences Function and StructureGrammar TOEFLTime ClauseCountable - UncountableConjunctions & PrepositionsAdverbs by TypeOther quiz:
Grammar › ViewShe ____________ three dogs since she was three years old.
A. has had
B. had had
C. will have had
Sentence Structure and Verb Tenses › View
Which of the following sentences is compound-complex?
A. The wind blew, and the rain fell as the storm began.
B. He reads every day, but he also enjoys playing video games.
C. While the cat slept, the dog barked.
D. I finished my homework, so I watched TV.
Grammar › ViewWhat is the indirect speech of ” The teacher said, The sun rises in the east ”
A. The teacher said that the sun rises in the east.
B. The teacher said that the sun rose in the east.
C. The teacher said that the sun has risen in the east.
D. The teacher said that the sun and raised in the east.
Grammar › View
The gas from the chemical factory was extremely _____.
A. harm
B. harmful
C. harmless
D. harmfully
