基本信息
1-3同步检测 ⅰ.根据句意及首字母提示补全单词 1．scientists found a new v________. 2．look at these simple verbs and make another c________ using this structure. 3．he thanked his fans and c________by singing a popular song. 4．we should c________ ourselves to the motherland. 5．choose the c________ words. 答案：1.virus 2.construction 3.concluded 4.contribute 5．correct
