A report says the temperature on the earth now is much higher than _______ in the past.

----Can he work out the maths problem? ----I think _____ hard for him to work it out.

----How did you get the MP4, from a shop or by phone? ----________. I always like shopping online. 

Things made by hand are usually more expensive than _ produced in factories.

--- Who will send you to the new school, your mom, your dad or your uncle?--- _______. I’ll go there by myself.