29.Do you expect_____ a possibility_____ we shall be able to afford the particular furniture we need?
Sometimes proper answers are not far to seek ______ food safety problems.
In that school, English is compulsory for all students, but French and Russian are ______.
Would you like tea or coffee? --_____, thank you. I’ve just had some water.
We can never expect ____ bluer sky unless we create _____less polluted world.
—Can I use your laptop for a while? —; any how I am not using it now.