we didi research on the same problem,so we usually help each other
同義句轉(zhuǎn)換
my work _______ ________ with his research,so we usually helped each other.
句子中第二個(gè)單詞應(yīng)該是did，不好意思，不小心多打了個(gè)i，雖然不影響。
我又在書上找了找，認(rèn)為最好的答案是'was connected',
由于3樓的回答最接近，就取3樓為最佳答案了，我們一起加油吧！