You should see a d (a)   about that cough. 翻译：你咳嗽应该找医生看看。

Do you know the a (a)   of that building? 翻译：你知道那座楼的历史有多久吗？

We've just had some very b (a)   news. 翻译：我们刚刚得到了一些很不好的消息。

She had to hold onto the railings to keep her b (a)   (= to stop herself from falling). 翻译：她得扶住围栏才能保持平衡。

It would be better for the environment if more people used b (a)   rather than cars. 翻译：如果更多的人骑自行车而不是开汽车，将会对环境有益一些。（注意：复数形式）

He c (a)   a shirt from the many in his wardrobe. 翻译：他从衣柜里众多衬衫中选了一件。（注意：过去式）

An a (a)   under English law is someone over 18 years old. 翻译：根据英国法律规定，成年人是指18岁以上人士

Don't grab at the balloons, children - there are p (a)   for everyone. 翻译：孩子们，别抢气球——多着呢，每人都有。

There were huge advances in aviation technology d (a)   the Second World War. 翻译：在第二次世界大战期间航空技术有了长足的发展。

Isabel's h (a)   was beating fast with fright. 翻译：伊莎贝尔因为恐惧而心跳加快。

I really enjoyed your party - it was such good f (a)   . 翻译：参加你们的聚会我很开心——真是好玩。

The children played a g (a)   of cops and robbers. 翻译：孩子们玩警察捉强盗的游戏。

Are you coming to the f (a)   match? 翻译：你来看足球比赛吗？

We often play a round (= game) of g (a)   at the weekend. 翻译：我们经常在周末打一场高尔夫球。

I'm not sure I want to spend the rest of my l (a)   with him. 翻译：我不能肯定自己是否愿意与他共度余生。

We travelled northeastwards for about 250 k (a)   . 翻译：我们向东北行驶了大约 250 公里。

Incidents of armed robbery have i (a)   over the last few years. 翻译：持械抢劫案近几年增多了。（注意：现在完成时）

How o (a)   do you wash your hair? 翻译：你多久洗一次头发？

What w (a)   can this lorry safely carry? 翻译：这辆卡车的安全载重量是多少？

It's a difficult c (a)   to make. 翻译：这很难抉择。