[ Grammar ]
The thing ____________ really makes me worry is that we haven’t prepared for every possible danger.
A. who
B. whom
C. which
D. whose

Random Topics:
Modal Verbs and PermissionBare Infinitive and To InfinitiveFirst Conditional & Future TensesSuperlative AdjectivesWish SentenceNoun Phrases and Verb PhrasesPassive of Modal VerbsSo or SuchSimple Present and Past TensePreference & Future TenseOther quiz:
Grammar › ViewWhat change should be made in these sentences?
My parents’ names are Rick and Amy. Their really nice.
A. change their to they’re
B. change their to there
C. no change is needed
Grammar › View
Traffic rules _______ by all people.
A. must be obeyed
B. must obey
C. must obeyed
D. must have obeyed
Grammar › ViewKeep ——- books on the table.
( Choose the correct pronoun from the given words and fill in the blanks )
A. yours
B. your
C. hers
D. theirs
Modals in The Past › View
I called his apartment and nobody answered. He ___ gone out.
A. must have
B. could have
C. can’t have
D. might have
