— Jay Chou is in our city. Let’s go and watch his show this Saturday.— That’s great, but I need to call my dad and ask for _________ before I go out.
The expo will be held in Shanghai, _____a lot of advanced technology will be shown for the first time.
We ____ last night, but we went to the concert instead.
_____with this challenge, he should meet it without any hesitation.
Only when we are abroad ____feel how important English is.
He has known the truth. Therefore, there is no ____ to keep it a secret