.—Was _________________ problem solved? —We were trying to think of _________________ way out, but it was difficult to find one.
______ the first to use nuclear weapons.
So little ______ about stock exchange that the lecture was completely beyond me.
Standing on the bank, the children watched the ship ______ with all kinds of goods.
Both Lily and Lucy ______ to the party yesterday.
There are many kinds of metals, ______.