---Do you know the famous scientist Yuan Longping?
---Of course. His name______whenever the matter of hybrid rice（杂交水稻）is discussed.
| A．comes out | B．comes up | C．comes in | D．comes on |
. Mr. Smith sold that magnificent cottage of his on the sea 2,000,000 dollars.
| A．at | B．for | C．to | D．by |
___________lessons were not difficult.
| A．Our few first short English |
| B．Our first few short English |
| C．Our few first English short |
| D．Few our first English short |
—You don't seem to be quite yourself today. What's wrong?
—Oh, I'm suffering from a cold. Nothing serious,
| A．yet | B．indeed | C．though | D．anyway |
. The most favorite room is the tidy study with a fireplace, we can watch TV and enjoy the nice scenery outside.
| A．where | B．when | C．that | D．which |
I often have conversations with John over telephone, while keep in touch with Tom by__________ letter.
| A．不填;;the | B．不填;a | C．the;不填 | D．the; a |