Do remember to be________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.
#18315
A
curious
B
thoughtful
C
considerate
D
cautious
推荐题目
Do you think exercise can keep us ________?
#17908
A
well   
B
good   
C
fit   
D
fine
.We only had $100 and  that  was__________to buy a new computer.
#19893
A
nowhere near enough
B
near enough nowhere
C
enough near nowhere
D
near nowhere enough
Come and see me whenever ____. 
#18827
A
you are convenient
B
you will be convenient
C
it is convenient to you
D
it was he convenient to you