The students struggle ________ all the grammar.
A. to understand
B. understand
C. understanding
D. understood

Random Topics:
VOCAB & GRAMMARPrepositional PhraseInfinitiveConditional Sentences Type I, IIAdjectives vs AdverbsCausative VerbModals and PhrasesTenses and ArticleModals - Reported Speech - ConditionalsGrammar - Present Perfect with for and sinceOther quiz:
Tenses › ViewWhich tense is used: I (eat) breakfast every morning?
A. simple present tense
B. past tense
C. present continuous tense
D. future tense
Grammar › View
Which of the following sentences is a revision of the fragment “Before he left the house”?
A. He left the house.
B. Before he left the house, he turned off the coffee maker.
C. He turned off the coffee maker.
D. John turned off the coffee maker before he left the house.
Vocabulary › ViewDefine skew.
A. Changed direction or took an indirect route.
B. A difficult problem or choice.
C. Fall back suddenly in fear or shock.
Past Tense › View
Dennis : Why didn’t you answer my call?
marie : sorry…..
A. I was feeding my cattle
B. I have fed my cattle
C. I fed my cattle
D. I’ll feed my cattle
