The committee ______ five famous scientistsput forward a valuable plan at the end of conference.

July has _______ money than John, but he has ________ friends.

t eggs, _____ them in a bowl ofwater: if they float they’re bad, if they sink they’re good

What do you think of teacher，Bob?—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.

Could you teach me how to use the computer —___________.