1. Along with the letter was his promise ____ he would visit me this coming Christmas.(2004上海春季高考) A. which B. that C. what D. whether 2. The other day, my brother drove his car down the street at ____ I thought was a dangerous speed. (2004上海春季高考) A. as B. which C. what D. that 3. Luckily,we'd brought a r...