[ Grammar ]
Trees which ___________ about 30 metres tall can be forced to grow into just 30 centimetres tall.
A. is
B. be
C. are
D. was

Random Topics:
Future Perfect ContinuousNoun PhraseConditional Sentences and Verb FormTOEFL Adjective and AdverbTime ClauseModalTransitional Phrases and ConjunctionsActive and Passive voiceSimple Present Continuous TenseRelative PronounsOther quiz:
Grammar › ViewMy mother____ me to the museum tomorrow because she______ to finish a lot of her work.
A. doesn’t take/ has
B. won’t take/ has
C. won’t take/ doesn’t have
D. doesn’t take/ doesn’t have
Relative Clauses and Past Perfect › View
Do you need the relative pronoun?
I cannot forget the song which they played last night.
_
A. yes
B. no