The new generation of computers, with artificial intelligence, _______and perfected now.
A．are being developed B．have developed
C．developed D．will develop
In order to decrease the death rate, the rescue team are in saving more lives.
A．succeeded B．achieved C．finished D．employed
I would appreciate if you could look after my pet while I am away.
A．you B．this C．it D．myself
When for his views about his teaching job, Philip said he found it very interesting and rewarding.
A．asking B．asked C．having asked D．to be asked
Do you know he could have dealt with, if he had not passed the test?
A．how B．what C．where D．why
The new dictionaries are very useful. They _______ well and _______ already.
A．sell; have been sold out
B．sold; had sold out
C．sell; sell out
D．are sold; have been sold out
