A giant helium(氦) balloon is telling residents of Paris how good or bad the air quality is. When it’s good, the balloon ----measuring 22 meters wide and 32 meters high---shines green. _________, it’s red.
#91781
A
Though terrible
B
Whenever good
C
If worse
D
When bad
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I thought he would offer to pick me up. _______, he even refused me when I asked him to do so.
#91731
A
In other words
B
Otherwise
C
What’s more
D
However
—What’s the matter with you, Tom?—______ the ladder, one of arms has been broken.
#91809
A
Climbing
B
While climbing
C
To climb
D
While I was climbing
“I haven't heard from Henry for a long time.”“What do you suppose_____ to him?”
#91836
A
was happening
B
to happen
C
has happened
D
had happened
_____, you have given me a lot of help.
#91833
A
Tell the truth
B
To tell the truth
C
Telling true
D
Telling truth
If metal is heated and then cooled very quickly, , by dipping in cold water, it will be very hard but will break easily.
#91782
A
what’s more
B
in general
C
for example
D
on the other hand
