[ Grammar ]
We always need ____ where they came from and how they did it.
A. to remembering
B. to remember
C. remembering
D. for remembering

Random Topics:
Suffixes (ing-ed) SentencesActive and Passive Gerunds and InfinitivesTo Infinitive or GerundPresent and Future TensesComplex SentencesPossessive Adjective and PronounContinuous and Perfect TensesNounCompound SentencesTOEFLOther quiz:
Grammar and Vocabulary › ViewAs all her friends were busy, Paula went out ….. .
A. herself
B. on herself
C. by herself
D. by her own
Past Tenses › View
‘I know about the timetable changes.’ — ‘Oh, when ____ you?’
A. they told
B. did they told
C. did they tell
Grammar › ViewThe ……………….students often play soccer and basketball.
A. energy
B. energetic
Synonyms and Vocabulary › View
We need to maximize our resources.
What is the closest meaning of the bolded word?
A. reduce
B. limit
C. minimize
D. optimize