日语
韩语
法语
德语
西班牙语
意大利语
阿拉伯语
葡萄牙语
越南语
俄语
芬兰语
泰语
第一节 单项选择（共15小题；每小题1分，满分15分）
21. As you continue doing your experiment, more problems may .
A. come in B. come on C. come up D. come out
22. ---Can you two come to dinner tonight?
21. As you continue doing your experiment, more problems may .
A. come in B. come on C. come up D. come out
22. ---Can you two come to dinner tonight?
