The crankcase cover should never be allowed to open for investigation when （）
They are the principles（）my wife and I have tried to（）our family.
I should try to _____ to make my country stronger.
They have got some approach that they believe is _________ in trying to solve these problems.
They talked to him for hours，(try)______to persuade him to change his mind.
They try to get up at 9:00 a.m. in the morning.
They try to______ a new dictionary every other year.
We should never ourselves to danger.
Why should you try to be punctual?
Lawyers _____ such high fees, but they never seem to be short of clients.
听力原文： There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to give children something to do.
______ we are in trouble, we must never lose heart, but try to think of the way out.
The text "Studying Abroad and Culture Shock" tells us that you should try to understand why people in the foreign country behave the way they do and compare them and us, good and bad.（）
People are trying to find alternatives to animal testing, and they started with liver.
Try to be comfortable with others no matter how they act, and try to make others comfortable in your presence.()
They ____d never to tell the secret.
What I&39;d like to do is to help them to see that they don&39;t need to think they will never succeed in learning to use the computer and stop trying it, that they can actually be the master of it. (give up on)
They try to allow people of the same (国籍) to govern themselves.
If you try to sell people something that they______for free, they aren t going to buy it.
If you try to sell people something that they（) to get for free, they aren't going to buy it.
（）下面哪一个选项是空缺处的最佳答案？Having a parent who tries to organise your life means you will never learn to make a______.
You should try to your ambition and be more？
They seem to be never satisfied___ they can gain the whole world.（)A、because
Your company has a single Active Directory domain. The company network is protected by a firewall.Remote users connect to your network through a VPN server by using PPTP.When the users try to connect to the VPN server, they receive the following error message: °Error 721:The remote computer is not responding.You need to ensure that users can establish a VPN connection.What should you do？（）
