Attention, please! And keep ________ when I am taking a photograph of you.
#19496
A
still
B
calm
C
quiet
D
silent
推荐题目
I put the medicine on the top of the desk to make sure it would not be _____ to my son.
#20467
A
accessible
B
relative
C
acceptable
D
sensitive
John was dismissed last week because of his ______ attitude towards his job.
#20546
A
informal
B
casual
C
determined
D
earnest
However，at times this balance in nature is＿＿，resulting in anumber of possibly unforeseen effects．
#20358
A
troubled
B
disturbed
C
confused
D
puzzled
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