请根据首字母和汉语，在空白处填入适当的单词或单词的正确形式。每空一词。
1What she is good at is that she can c__________(使结合) theory with practice.
2 Abraham Lincoln only received a l_________(有限的) education in his childhood.
3 P_________(允许) me to lead the way, sir.
4 The s__________(场景) of the mother elephant saving her baby elephant moved many people on the spot.
5 Nowadays, the idea e__________(存在) only in the minds of us young people.
6 I can see the beautiful sight in the d______________(远处).
7 How they discovered it still remains a p__________(谜).
8 The task is so easy to do that I can finish it w________(在---范围内) ten minutes.
9 I’d like to spend much time c___________(聊天) with you.
10 Helen looked at David in a m__________(混合) of shock and anger.
11 She is u_________(不像) her mother.
12 A friend in need is a friend i____________(真正地；确实)
13 As is known to all, the local economy will b__________(受益)from the newly built highway.
14 She was a____________(授予) a medal for her bravery.
15 It’s o_________(明显的) that the boy was fooled into buying these useless things.
16 Be sure to r___________(提醒) them to come back to their hometown early.
17 Athletes need a good sense of b__________(平衡).
18 We have s__________(探索；寻求) to make peace between the twins.
19 The discussion has become more and more v__________(激烈的).
20 I a____________(道歉) for wasting so much of your time yesterday.