Japan’s economy _______ in the past twenty years. No one knows how long it ______ before it regains its increase.
#100253
A
has been declining; will be
B
has declined; would be
C
had been in decline; would take
D
was on the decline; will take
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With the development of science, more new technology ______to the field of IT.
#102065
A
has introduced
B
is being introduced
C
is introduced
D
was introduced
--- I’m sure Andrew will win the first prize in the final. --- I think so. He ____ for months.
#102489
A
is preparing
B
was preparing
C
has been preparing
D
had been preparing
He said that his friend ________there three days before, but she was not there_______.
#103216
A
had been; now
B
has been; then
C
had been; then
D
was; now
Three fourths of the homework _______ today.
#103523
A
has finished
B
has been finished
C
have finished
D
have been finished