how to work out the difficult physics problem ,he asked the teacher for help .
#89838
A
Not to know
B
Not knowing
C
Knowing not
D
Not known
推荐题目
I’d like my bedroom __________ according to the fashionable style of Europe and America.
#97478
A
designed
B
to be designed
C
to design
D
to have designed
They would not allow him _______   across the enemy line.  
#95366
A
to risk going
B
risking to going
C
for risk to go
D
risk going
___ used ___ in a foreign country needs time .
#95825
A
To get; to live
B
Getting; to live
C
Getting; to living
D
Got; to living