I'm        ！I’ve spent the last two weeks working day and Night．

A．put out            B．burnt out             C．made out                D．run out

The campaign is trying to get the        across to young people that drugs are dangerous．

A．lesson                     B．topic          C．message                 D．information

The old man has three children，         is at home waiting on him．

A．none of them        B．none of whom        C．neither of whom       D．either of them

——What were you up to when she dropped in?

——I         for a while and was going to do some reading．

A．had played              B．played          C． have played           D．was playing．

Food safety is a big problem，but food produced in the normal companies is        better．

A．strictly         B．absolutely          C．relatively           D．exactly

An air France jet is reported           in the Atlantic Ocean with 228 people aboard，the airline’s worst disaster in its 75-year history．

A．to have crashed                                          B．to have been crashed

C．having crashed                                  D．having been crashed

Joan spent as much time as she         me with my English when I was studying in London

A．could help           B．could to help             C．could helping           D．helped

Mr. Clark working in our company is from the United States．But he is a Canadian        ．

A．by origin              B．by nature                C．by source                D．by history

My headache       me．I thought it was going away，but now it is getting worse and worse．

A．was killing            B．is killing            C．kills         D．killed

It is generally believed that understanding each other         a happy marriage．

A．centres on         B．depends on         C．brings forth          D．makes for