An idle youth, a needy age.

It took years for Einstein"s theory to gain acceptably.

It"s no good learning English without practice.

Which of the following is the author"s suggestion

The doctor will get more practice out of me than out of ten ordinary patients.

我想知道他把表送給誰(shuí)了。

Having a conversation with people with dementia will be （）.

In this passage, the expression "walk in the shoes of" is similar in meaning to （）.

Cars turn into dead weapons when they are driven carelessly.

Gift giving is the same thing in China and America in that （）.