--Who is your new secretary? --Miss Evens. I’m very pleased with the work that she _________ so far.
#102441
A
are doing
B
did
C
were doing
D
has done
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 Last year, he wrote to tell me that he ______ his new dance. But I ______ of him ever since.
#99360
A
practised; didn’t heard
B
has practised; haven’t heard
C
was practising; hadn’t heard
D
was practising; haven’t heard
Helen ________ her keys in the office so she had to wait until her husband ______ home. 
#101502
A
has left; comes
B
left; had come
C
had left; came
D
had left; would come