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
The girls in the photograph are twins, is my classmate in high school.
#19339
A
the taller of them.
B
the taller of whom.
C
the tallest of that
D
the tallest of who
How cold it is! We’ve never had ______ this winter．
#19560
A
the colder day
B
a cold day
C
the coldest day
D
a colder day
My brother likes eating very much but he isn't very ___ about the food he eats.
#20785
A
special
B
peculiar
C
particular
D
unusual
The twins has studied in this school ________ .
#34898
A
two years ago
B
since two years ago
C
for two yeas ago
D
since two years
______ in his studies, he didn't know that all the others had left.
#18298
A
Buried
B
Burying
C
Having buried
D
Bury