Look before you leap! You have to ______the costs of the new system against the benefits it will bring.
----That kind of computer is far too expensive. ----- I’ll buy one, ______ .
----Greg should have left the party an hour ago. ------ yes, I keep telling him to go, _____ he stays any way.
The Department is also deeply _____ in various improvement schemes.
---- Anne acts in an unfriendly way. ----- I think she is _____ than unfriendly.
He is a very honest official and never _____ any gifts from the people who sought his help.