China understands the situation and needs of underdeveloped countries on the issue of climate change and urges developed countries to support them___technology and finance
.---Why were you not at the concert last night ? ---Oh.I ______ for a friend from Europe at the airport.
Many new workers _____ trained and in two months they will _____ to build a new railway.
.I thought I was going to fail the exam, but I succeeded _______.
- What were you up to when she dropped in ? ---I _____ for a while and ____ some reading.
--- Have you telephoned your father ? --- Yes. He _____ back next year.