_____is known to us all is that the old scientist, for____ life was hard in the past,still works very hard in his eighties.
| A．As; whom | B．What; whom | C．It; whose | D．As; whose |
According to my father, movies, such as the one you talked about yesterday, _____ not worth seeing.
| A．are | B．do | C．is | D．does |
The president spoke at the business meeting for nearly an hour without ______ his notes.
| A．bringing up | B．referring to | C．looking for | D．trying on |
E-mail, as well as the telephone, ___________ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
-- “____either you or he to go there?”
--“_____is.”
| A．Are; Both | B．Are; Neither | C．Is; Neither | D．Is; Each |
Can you imagine what difficulty people had this year ________ against the severe natural disasters?
| A．fighting | B．to fight | C．fought | D．Fight |