[ Grammar ]
It’s a difficult problem. It needs …….. about carefully.
A. think
B. to think
C. thinking
Random Topics:
Modals of AdviceModal Verb in Passive VoicePrepositions - ConjunctionsQuantifiers with NounsModals of DeductionDemonstrative PronounModals Posibility and ProbabilityPresent Tense (Negatives and Questions)Simple Compound and Complex SentencesPresent Continuous TenseOther quiz:
Grammar › ViewMy uncle ………. me a modern laptop last new year.
A. bought
B. was bought
C. have bought
D. to bought
Grammar › View
_____of these books have you read?
A. What
B. Whom
C. Whose
D. Which