词汇;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.