[ Grammar ]
There is the most difficult problem ___ we must discuss.
A. which
B. whom
C. that
D. whose
Random Topics:
Past and Present Continuous tenseConditional Sentences Type 0, 1 and 2Inversions and SubjunctivePreposition and Preposition PhraseVerb TensesPreposition of TimeConditional TensesDirect-Indirect SpeechReported - GerundInfinitive GerundOther quiz:
Modal Verbs › ViewWhat is the correct modal verb to complete this sentence: Employees ___________ attend the training session next week.
A. must
B. should
C. can
D. will
Vocabulary › View
A caterpillar ends its life ________ as a butterfly.
A. ordeal
B. cycle
C. hardship
D. challenge