Allen had to call a taxi because the boxes was ________ to carry all the way home．

A．much too heavy

B．too much heavy

C．heavy too much

D．too heavy much

－I was riding along the street and all of a sudden, a car cut in and knocked me down．

－You can never ________ becareful in the street．

A．much

B．very

C．so

D．too

That was really a splendid evening．It's years ________ I enjoyed myself so much．

A．when

B．that

C．before

D．since

________ you always want to succeed, you should put your heart into your studies．

A．For

B．Even if

C．If only

D．Since

When ________ help, one often says,“Thank you．”or“It's kind of you．”

A．offering

B．to offer

C．to be offered

D．offered

When first ________ to the market, these products enjoyed great success．

A．introducing

B．introduced

C．introduce

D．being introduced

I don't know why he didn't agree ________ the plan．

A．with

B．on

C．to

D．for

Roses need special care ________ they can live through winter．

A．because

B．so that

C．even if

D．as

All these gifts must be mailed immediately ________ in time for Christmas．

A．in order to have received

B．in order to receive

C．so as to be received

D．so as to be receiving

You ________ pay too much attention to your reading skill, as it is so important．

A．cannot

B．should

C．must

D．needn't