He was walking along the sands _______ he saw a big foot-print in the sand .A. while B. when D. as D. after
So far, several ships have been reported missing _______ the coast of Bermuda Island.
We all regarded the poor old man ____sympathy.
We’ve talked a lot _______ films. How _____ television now?
In those days, we had no phones, so we have to keep in touch _____ writing often.
Don’t be angry _______ me for not having written. I was really too busy.