In ________, the house is like the letters．
A．form
B．shape
C．figure
D．pattern
The water is ________ and you can drink it．
A．boiled
B．boiling
C．boiler
D．boil
Oil has a low ________ point．
After a fire broke out in the lab, a lot of equipment ________．
A．is damaged
B．had damaged
C．damaged
D．was damaged
I want to know Jack’s ________ the event．
A．reaction to
B．reactions to
C．reaction for
D．react to
Obviously, we can ________ a conclusion that good manners arise from politeness and respect for others．
A．get
B．arrive at
C．drew
D．take
The expression of a ________ of sorrow and anger in his face suggests it．
A．mix
B．mixed
C．mixing
D．mixture
Students can sometimes ________ study with pleasure．
A．join
B．mix
C．add
The crazy fans ________ patiently for two hours, and they would wait till the movie star arrived．
A．were waiting
B．had been waiting
C．had waited
D．would wait
I won’t tell the student the answer to the math problem until he ________ on it for more than an hour．
A．has been working
B．will have worked
C．will have been working
D．had worked