Do remember to be ________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.
#18808
A
cautious
B
thoughtful
C
considerate
D
curious
推荐题目
Do you think exercise can keep us ________?
#17908
A
well   
B
good   
C
fit   
D
fine
 Walking in the forest, he felt       by the world.
#19709
A
abandoning
B
abandoned
C
scaring
D
scared
Our attitude toward our teachers should be _____, but not slavish or superstitious.
#20907
A
respectable
B
respected
C
respective
D
respectful