[ Grammar and Sentence Structure ]
. Which sentence uses ‘while’ correctly?
A. While he working, she studied
B. While he was working, she studied
C. While he worked, she was study
D. While he work, she studying

Random Topics:
Countable QuantifiersSecond ConditionalNeither/Either/All/NoneWill and Will notGrammar, adverbs of frequency placementHave to / Do not have toPresent Perfect Negative and InterrogativeReported - GerundRelative Clauses beginning with PrepositionsPaired ConjunctionOther quiz:
Grammar › ViewWhich has the correct comma placement?
A. Dear Grandma
B. Dear, Grandma,
C. Dear, Grandma
D. Dear Grandma,
Time Clauses of Future › View
Carry on taking the antibiotics until
A. she has suffered fever
B. she is going to suffer fever
C. she will be suffering fever
Grammar › ViewIt is parents’ duty and responsibility to _______ hands to tae care of their children and give them a happy home.
A. shake
B. join
C. wave
D. hold
Grammar › View
I’m sure I ……. him two years ago.
A. Am seeing
B. Have seen
C. Have been seeing
D. Saw
