Complete each sentence with two to five words, including the word in bold.
1. Kim was on the point of closing the shop when a customer walked in.
/about/ Kim.............................................................the shop when a customer walked in.
2. He is the kindest man I've ever met.
/never/ I have..............................................man before.
3. Mike started studying medicine four years ago.
/been/ Mike...................................four years.
4. The waiter didn't take our order until everyone had decided what they wanted.
/before/ The waiter waited until everyone had decided what they wanted................
.....................................our order.