Why pleasant smells do not reduce pain in man is a question still _______ by scientists.
#97245
A
answered
B
being answered
C
to be answered
D
that answered
推荐题目
______yourself stand out at a party, you should play some funny games.
#98722
A
Having made
B
Make
C
Making
D
To make
The students expected ____ more reviewing classes before the exam.
#95664
A
there to be
B
there are
C
there being
D
there to have
To succeed in a difficult task ,______________.
#97643
A
Persistence is needed
B
Persistence is what you need
C
One needs to be persistent
D
A persistent nature is needed
_____ a reply, he decided to write again.
#91920
A
Not receiving
B
Receiving not
C
Not having received
D
Having not received
“Xi Jinping’s report, ” a smile on his face, he continued, “_____ to several hot topics, discusses how to increase farmers’ income.”
#92692
A
referring
B
refers
C
having referred
D
referred