31．It also has basic versions of its programs available for online users free of ___________, which can be downloaded easily.

　　　 A．bill　　 　　　　　　　 B．cost 　　　　　　　 C．charge　　　 　　　 D．expense

30．-Do you mind if your sisters come along with you?

-_____________, but I don’t want to share this trip with anybody else.

　　　 A．Of course not　　　　　 　　　　　　　 B．No problem

　　　 C．I couldn’t agree more　　　 　　　 D．I’m sorry

29．Derek knew they were talking about him, but he couldn’t ___________ what they were saying because it was too noisy there.

　　　 A．make out　 　　　 B．listen to　　 　　　 C．hear of　　 　　　 D．learn of

28．There’s still a long way to go for the economy-rescue plan to _________ the goal of rescuing the American economy from the financial crisis.

　　　 A．obtain　　　 　　　 B．get　　 　　　　　　　 C．achieve　　 　　　 D．accomplish

27．__________ the Scottish, Welsh and Irish associations are opposed to is a British team taking part in the 2012 Olympics in London.

　　　 A．That　 　　　　　　　 B．As　　 　　　　　　　 C．What 　　　　　　　 D．Whether

26．The residents were warned of high temperatures and strong winds forecast for Friday, _______ could make the still-burning wildfires more dangerous.

　　　 A．when 　　　　　　　 B．which　　　 　　　 C．that　 　　　　　　　 D．where

25．, 217,736 Barbies _______on eBay in the past three months.

　　　 A．had been sold　　　　　 　　　 B．were sold

　　　 C．have been sold　　　　 　　　 D．have been selling

24．____________ I appreciate the honor, I could not accept the position. I want to spend more time on my present program.

　　　 A．While　　　 　　　 B．Since 　　　　　　　 C．Yet　　 　　　　　　　 D．So

23．“Must” _____________ be used to express necessity or strong recommendation, although native speakers prefer the form “have to”.

　　　 A．would　　　 　　　 B．might 　　　 C．need　 　　　　　　　 D．can

22．“When my husband died five years ago, ________ was difficult to go from ‘we’ to ‘me’,” said Joe Kita to us.

　　　 A．I　　　 　　　　　　　 B．that　 　　　　　　　 C．it　　　 　　　　　　　 D．which