The defense computers calculate way to （ ） the enemy missiles.

It is important that the boy （ ） an adult to take care of him.

Would you be （ ） to lend me your bike tomorrow morning?

These tickets for the performance are （ ） until the end of the month．

_____ finished his work, he had to stay at home on the weekend.

Fast food doesn’t seem like a good idea, for it is （ ）.

When I was a child, I used （ ） to the river and bathe in the evening.

（） you decide to take up, you should try to make it a success.

The most important is not_____ you do, but_____ you do it.

Each car sold in this specialized shop comes with a one-year （ ）.

We’re talking about the piano and the pianist （ ） were in the concert we attended last night.

Do you mean this is the_____decision you have made after thinking for hours?