The man sitting next to me on the plane was very nervous. He (hadn’t flown) b
efore.
括号中为什么不能用didn’t fly呢?
The flies were then spread onto a piece of white paper _________ and counted.
答案是to be examined 请问为什么不能用being examined呢?
(Despite)these major operations against cybercrime, we are still seeing a br
azen and thriving underground economy in the region.
请问这个句子括号中为何用 Despite 呢?
这样不是没有连接词吗?
没有连接词的前提下,逗点前的动词一个是against 后面则是be动词are 这样文法不是就
不符合分词构句了吗?
The US and Canadian governments have always (been committed to protecting) the
ir citizens from cybercrime by continuously beefing up their legislative and e
nforcement efforts.
请问括号中为什么 committed 要加 been 这样不是变被动式吗 (被承诺?) 为何不是
主动 另外to 后面接的protect为什么要加ing呢?
问题有点多 麻烦各位帮我解答QQ
谢谢各位了