To avoid the virus(病毒), we should wash hands more carefully ________ we have meals.
so
before
because
although
— We can invite our teachers to the party next Saturday.— Yes, ______? I’ll call them at once.
He worked hard at his study, and _______, he passed the exam easily.
— Do you know that Yao Beina, a Chinese pop singer, _______ on 16 January?— Yes. We are sorry to hear that she died of cancer.
They don’t know that Tom Cruise is an American star _______ is famous all over the world.
I AM A SINGER is _______ an interesting TV show_______ many people like watching it.