If we___to him,he will only make further demands
Having a trip abroad is certainly good for the old couple,but it remains __________ whether they will enjoy it.
The continuous rain __________ the harvesting of the wheat crop by two months.
The play __________ next month aims mainly to reflect the local culture.【选项 】
Nowadays people sometimes separate their waste to make it easier for it __________ .
Many buildings in the city need re-pairing, but the one __________ first is the library.