because of 能不能放在句首?

because of 能不能放在句首? because of 能不能放在句首? because of 是不是不能放在句首? with能不能放在句首? because能不能用于句首 so as to能不能放在句首 SAT语法题——because用法正确的句子The depths of the Arctic Ocean are hard to study,mainly because the icy surface is difficult to penetrate using current techniques.不是because放在后面就没有逗号吗?只有放在句首中间才 because可不可以放在句首?because后面加句子,可不可以放在句首?就比如:Because I love you,I will never forget you.这样说成不成立? 放在句首的是instead,还是instead of? but能不能大写放在句首?像：…….But…………. Because of their hard work1:Because of 和Because有什么区别2:形容词不是不能放在动词前面吗,为什么HARD放在WORK前面 both of 能否放在句中? rather than,instead,instead of分别放在句中?句首?句尾? 请问on account of,because of 的区别?on account of能放在句首吗? because of能不能与so连用 because 能放在句首吗 in case of 和 in case分别放在句子的什么位置 句首、句中还是句末 but可以放在句首、逗号前和逗号后面吗?because可以放在句首、逗号前和逗号后面吗?and可以放在句首、逗号前和逗号后面吗?so可以放在句首、逗号前和逗号后面吗?