Joan didn’t say anything at first and then ________ crying.A burst out B burst into C burst on D burst upon
Letterboxes are much more ________ in the UK than in the US, where most people have a mailbox instead.
I’d appreciate _________ if you would like to teach me how to use the computer.
—What’s the name?— Khulaifi._______ I spell that for you?
So difficult it to work out the problem that I decided to ask Tom for advice.
The rescue workers were working around the clock, ________ supplies to Yushu Qinghai Province after the earthquake.