There are a couple of driving forces,

英语翻译没发完一不小心~There are a couple of driving forces,I would arg There are a couple of possibilities. There are a couple of reasons booming this problem. 在a couple of前是there is还是there are a couple of 为什么用there are,前面不是有a吗 There are a couple of matters which I want to ______ today f 高中英语 There are a couple of matters which I want to ______ to There are a couple of reasons to name.有这种说法吗 可以说a couple of couple? we have been there a couple of times!a couple of times 在句子中充 a pair of couple a couple of