We believe ________ we can find out the wonder drugs to H7N9 bird flu.
— Thank you ever so much for the present you brought me. — ____.
— Sorry, I couldn’t come to the party. I was sick that day. — ____.
— Have you got time on Monday? — ____
Wasn’t it Dr Wang who spoke to you just now? — ____.
— I wonder if I could use your mobile phone. — ____.