Sex education is a sensitive area for some parents, and thus it should remain _________.
#19020
A
random
B
previous
C
optional
D
vital
推荐题目
---How old is Esther Greenbaum? ---Don't ask her how old she is—she's really ______ about it.
#17942
A
particular
B
cautious
C
sensitive
D
anxious
------ How was your trip to Yungang Caves during your National Day holiday?-------- Wonderfully! I’ve never had _______ one before．
#18463
A
a pleasant
B
a more pleasant
C
a most pleasant
D
the most pleasant
I am very ____________ about expressing my opinions in public in case I may make mistakes.
#18670
A
cautious
B
hospitable
C
gracious
D
nostalgic
In spite of repeated wrongs done to him, he looks _____ to people greeting him.
#20403
A
friendly
B
lively
C
worried
D
cold
Einstein’s Theory of Relativity is so________ that most of us can not understand it.
#18418
A
controversial
B
appropriate
C
abstract
D
ridiculous