We won't give up ________ we should fail ten times．

A．even if

B．since

C．whether

D．until

The bravery boy was regarded as a hero ________ he gave his life for his country．

A．according to

B．because of

C．on account of

D．because

－Oh, it's you!I ________ you．

－I've just had my hair cut, and I'm wearing new glasses．

A．didn't recognize

B．hadn't recognized

C．haven't recognized

D．don't recognize

Visitors ________ not to touch the exhibits．

A．will request

B．request

C．are requesting

D．are requested

-Why haven't you bought any butter?

－I ________ to but I forgot about it．

A．liked

B．wished

C．meant

D．expected

I know this one is different ________ that one, but I can't tell the difference ________ them．

A．from, between

B．than, about

C．to, about

D．from, in

The boy wanted to ride his bicycle in the street, but his mother told him________?

A．not to

B．not to do

C．not do it

D．do not to

What's the language ________ in Germany?

A．speaking

B．spoken

C．be spoken

D．to speak

Because of my poor English I'm afraid I can't make myself ________．

A．understand

B．to understand

C．understanding

D．understood

－How do you communicate ________ each other?

－________ E-mail．

A．to; With

B．with; By

C．to; By

D．with; In