【推荐1】I don’t think you’ll have time to send out the ____________ (invite) to all the students. (所给词的适当形式填空)

【推荐2】Many thanks again for your ____________ (invite). (所给词的适当形式填空)

【推荐3】Cobb, for her party, started to ask conference organizers who invited her to speak if she could do so remotely; about three-quarters of the time, they agreed. When the answer was no, she declined the _____________ (invite). (所给词的适当形式填空)

【推荐1】China rose up to the ________ (challenging) brought by the epidemic outbreak and responded it bravely. （所给词的适当形式填空）

【推荐2】Much to our ________ (angry), she should have done that thing to her parents. （所给词的适当形式填空）

【推荐3】Our guess was confirmed by ___________(calculate) . (所给词的适当形式填空)

【推荐1】He was studying the complex similarities and ________ (differ) between humans and animals. (所给词的适当形式填空)

【推荐2】After visiting the city, they spoke highly of the ________ (surrounding) so much that they would like to settle down there. （所给词的适当形式填空）

【推荐3】He failed in all his ___________(attempt) to finish the task, but he didn’t lose heart. (所给词的适当形式填空)