Computer power now allows automatic searches of fingerprint files to match a print at a crime ________.

Many interesting activities will be _____ in the summer camp to attract children .

Mary worked here as a ________ secretary and ended up getting a full­time job with the company.                                                     

Now that the forest was destroyed by a big fire, a large ________of trees ______ to be planted on the mountain．

Tom began to learn Russian by himself in _____.