The new generation of computers, with artificial intelligence, _______and perfected now.
#101304
A
are being developed
B
have developed
C
developed
D
will develop
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Give me an undisturbed hour and I ________ the work Tom has left unfinished.
#99213
A
see to
B
will see to
C
would be seeing to
D
have seen to
You can’t imagine the difficulty he _____ onto the cliff and saving the boy in trouble.
#103306
A
had to climb
B
had climbed
C
had climbing
D
had on climbing
—Have you heard from Nelly recently?— Yes, I _________ his letters and cards many times while I was in Italy.
#100087
A
have received
B
received
C
had received
D
would receive
She hurried to the entrance at which the car _____, and looked forward to seeing her husband.
#100491
A
would arrive
B
has arrives
C
arrived
D
will arrive
I don’t understand why they don’t have the report. It _________ to them a week ago.
#99517
A
is sent
B
was sent
C
will be sent
D
had been sent