--I can' t find Mike. Could you tell me ?
--He is in the library.
A. what he is B. how he is C. where he is
This T-shirt is not large enough. Please show me a one,
A. large B. larger C. largest
Please keep quiet, everybody! I have important to tell you.
A. nothing B. something C. everything
Some scientists think that it will take __ of years to make robots do most work for humans.
A. hundreds B. hundred C. thousand
My cousin knows a lot about geography, __ he is only four years old.
A. because B. so C. although
--Hey, Tony, You look so tired today.
---I __ until 12 o' clock last night for the math test.
A. woke up B. stayed up C. grew up
