John, may I use your computer now?Sorry, it is not ____at the moment. It is being repaired.
#18150
A
convenient
B
valuable
C
available
D
comfortable
推荐题目
Watching TV is ______ a kind of relaxation, and it also_______ our knowledge.
#19151
A
not more than; adds
B
more than; adds to
C
no more than; adds to
D
more than; adds up to
--- Excuse me. Can I borrow your ______ pencil-box? --- Certainly, here it is.   
#20439
A
blue cheap plastic
B
plastic blue cheap
C
cheap blue plastic
D
plastic cheap blue
Be ____ to finish your homework before supper.
#20718
A
shy
B
sure
C
nervous
D
serious