To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).

.
We can’t use the bridge now, because it _______.

Large quantities of fish _______ in the river in the past few days.

Never before _________a political party so whole - heartedly devoted to the interests of the people as our Party.

.
After getting my visa I was very excited because I __________  of this day for so long.
A, have dreamed    B. dream      C. had dreamed            D. am dreaming    .

.
Within a moment, its body _______ swiftly by the killer down into the depths of the sea.

.
Tombe told me that the can___________ to dry out the leftover food.

Great changes _________ in China in the last two decades.

--- Bob, where are you working now?
--- I used to work in a small company, but I ________ a job in some bigger companies.

—Have you seen your aunt lately?
—Yes, in fact I saw her yesterday．I_________ her for several months．