.We are _________ that she should beadmitted into our club.

How does your sister learn Russian, Mike–She learns it _______ listening to the tapes.

_____reduce pollution, the government has made a policy to restrict the use of plastic bags in some areas.[ ]

We may meet all kinds of difficulties in the future, but we should be confident enough to any challenge.

依次填入下列各句横线处的词语，最恰当的一组是（ ）①北京奥运会组委会宣布从2004年开始将先后 新的会徽和吉祥物标志。②如果没有 过人生的酸甜苦辣，又怎么能真正懂得长辈们创业的艰难呢③父亲虽然不是科班出身，但他在外国文学方面的造诣足以使专业人士 。