根据句意，用方框中所给短语的适当形式填空。keep out,to start w

问题填空题

根据句意，用方框中所给短语的适当形式填空。

keep out, to start with, aim at, pro and con, for instance

1. A sign outside a building says "          ".
   It is telling you not to enter the building.
2.          , we only knew two people in
London but we soon made some friends.
3. These advertisements are specifically __________ the young people.
4. We considered all the          very carefully before deciding to buy a bigger house.
5. Several of his friends came :  Ben, Carol and Mike, _____________ .

答案

1. KEEP OUT 2. To start with 3. aimed at 4. pros and cons 5. for instance