Last year the number of students who graduated with a driving licence reached 200,000,a(n)________of 40,000 per year.
Two years ago, three scientists traveled to the Antarctica to explore a secret world hidden _________ the ice.
I felt surprised that anyone of his intelligence such an easy test.
I was feeling left out in the new school ________Alice, an easygoing girl from Canada, came to stay with me.
【原创】According to its website, each tattoo lasts around seven days, ________ it isn't scrubbed or picked at.
—Why didn’t you finish the task? —I didn’t think it is ________ the effort.