Had the governments and scientists not worked together,AIDS﹣related deaths _______ since their highest in 2005.( )
had not fallen
would not fall
did not fall
would not have fallen
In the middle of February, the weather__favorable for work, the workers began to repair and secure the dam of the river.
All things ______, your sister has better performances than you.
Everything ____________ into consideration, they believed themselves more and returned to their positions.
(2014)All we need a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.
The number of people who ____English as a foreign language __more than 750 million.