Some Maths problems in this book are ________ difficult for the students ________ work out．

A．so, that

B．not, but

C．such, that

D．too, to

________ earn more money for his new car, the young man has to work for three ________ hours in the evening．

A．In order to, extra

B．In order that, many

C．In order that, else

D．In order to, another

The Smiths ________ sending e-mails ________ letters because it is faster．

A．prefer; to writing

B．prefer; to write

C．prefers; to writing

D．prefers; to write

How ________ there in the fridge?

A．many tomato is

B．much milk are

C．many kilos of eggs are

D．much meats is

Do you want to ask ________ to go swimming with you?

A．she and I

B．I and she

C．me and her

D．her and me

Jack's brother doesn't work so ________ as Jack．

A．harder

B．hard

C．hardest

D．hardly

________ fat sheep they are! I always like feeding them．

A．What

B．What a

C．How

D．How a

Five-year-old children are too young to go to school, ________?

A．are they

B．aren't they

C．were they

D．have they

The film ________ for ten minutes when we got to the cinema．

A．had already begun

B．had already been on

C．have already been on

D．have already begun

It is difficult for us to learn a lesson in life ________ we've actually had that lesson．

A．when

B．after

C．since

D．until