Scientists ________ in many ways for their contributions ________ the development and progress of human society．

A．always honour; to

B．always honour; for

C．are always honoured; to

D．are always honoured; for

The professor has received the letter ________ to give a lecture in Princeton Institute．

A．being invited

B．to be invited

C．inviting him

D．invited

Our neighbor has ________ ours．

A．as a big house as

B．as big a house as

C．the same big house as

D．a house the same big as

The picture ________ on the wall is painted by my nephew．

A．having hung

B．hanging

C．hangs

D．being hung

－What will happen if I smoke here?

－Anyone ________ here will be punished．

A．seen smoking

B．seeing smoke

C．seeing smoking

D．seen smoke

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

A．even if

B．since

C．whether

D．until

We are ________ happy to hear of the success of their team．

A．enough

B．more than

C．many more

D．much many

－How do you find the lecture by Mr Lee?

－________．

A．It's a fine day

B．Very boring

C．In the conference hall

D．By bicycle

The ________ is doing an experiment in ________ with some ________．

A．chemistry; chemist; chemicals

B．chemicals; chemistry; chemist

C．chemist; chemistry; chemicals

D．chemistry; chemicals; chemist

They ________ that he works all night．

A．expected

B．wished

C．hoped

D．required