—Such a mistake could have been avoided. —Unfortunately, he _______ the mistake again and again.
#104834
A
repeated
B
would repeat
C
had repeated
D
would have repeated
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I _______ in London for many years, but I’ve never regretted my final decision to move back to China.
#104702
A
lived
B
was living
C
have lived
D
had lived
– Shall we go out for lunch?– Don’t disturb me. I ______ the letters all morning and ______ six so far.
#100998
A
write; wrote
B
wrote; have written
C
was writing; wrote
D
have been writing; have written
By the end of last year, we _________seven hundred English words.
#102070
A
learned
B
have learned
C
had learned
D
would have learned