请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。
1. Frank loves playing basketball and practises ________ (两次) a week.
2. Peter's dream is to ________ (进入) a medical college in the future.
3. If you live in a new city without friends, you can be very ________ (unhappy because of being alone).
4. When you walk through the ________ (a large area of land with trees) without a map, you may get lost in it.
5. The bottle was full yesterday but now it's ________. Perhaps Tom has drunk all the juice in it.
