By the time he was 12 years old, he_______ threedifferent languages.
Iraq has __________ too many wars since 1990, making his people __________ a lot.
I could tell he was surprised from the ________ on his face.
--- Has Mary come back yet?--- Yes. She has got many books from her elder schoolmates, and the number ___ 1000.
"Will you _______ us in the discussion ", she asked us. A join in B join C take part in D take part
She felt very upset ___________ what her deskmate said.A because B because of C as if D unless