[ Grammar ]
_____ the demands of aerospace, medicine, and agriculture, aengineers, are creating exotic new metallic substances.
A. Meet
B. Being met are
C. To meet
D. They are meeting

Random Topics:
Inversion + Passive VoiceNoun PhrasesClauses of ReasonConjunctive AdverbPrepositions and TensesGrammar - used toPreposition of PlaceSimple Past/Past ProgressiveIF CLAUSEConditionals III - Mixed 1st, 2nd & 3rd ConditionalsOther quiz:
Grammar › ViewI usually listen to music whenever I learn ________ it makes me more attentive.
A. despite
B. although
C. because of
D. because
Grammar › View
______ (you / come) to London often?
A. Are you coming
B. Do you come
Grammar › ViewShe puts the fruits __________ the basket.
A. in
B. under
C. on
D. into
The Simple Present Tense › View
They always ________________ in class.
A. talking
B. talk
C. talks
D. talked