I tried hard to get some information about the new technology from him, but he remained ______.

They _____a lot through group work on thesports field．

The secretary arranged a _____ time and place for the applicants to have an interview.

填入下面文段空白处的词语，最恰当的一组是（ ）野生兰花有两万多种，花的形状、大小、颜色、香味千奇百怪，但是目的只有一个：用花香吸引昆虫或蜂鸟来采蜜，花粉沾到了它们的身上，① 能帮助兰花传粉。② 兰花的繁衍离不开这些授粉者，③ 它有着什么样奇怪的形状、构造，④ 为了适应授粉者。授粉者为了能采到花蜜，⑤ 要适应兰花。在自然选择的作用下，兰花和授粉者⑥ 一起进化。 ①②③④⑤⑥．

Let’s go shopping， Lily ! Have you finished your homework________—No， not _________.