—Please go on with your demonstration．—But where was I?—Well, you_____the two chemicals together．
#95249
A
tried to mix
B
were trying to mix
C
were trying mixed
D
had tried to mix
推荐题目
____ which university to attend, the girl asked her teacher for advice.
#90665
A
Not knowing
B
Knowing not
C
Not known
D
Known not
—Is there anything for tomorrow?—Yes.We’re going to have a picnie if it doesn’t rain.
#96325
A
planned
B
being planned
C
to be planned
D
planning
Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
#97943
A
to clean, needn’t
B
cleaning,don’t
C
clean, aren’t
D
cleaned, can’t
______ a happy life, try to look at the positive side in every situation.
#96478
A
Living
B
To live
C
Having lived
D
Live.