2．I was at the dentist's last Sunday to ________________________.

　　上周日我去牙医诊所检查牙齿。

　　3．I ________ in the waiting room ________ a young man entered.

　　我正在候诊室里面坐着，这时一个年轻人走了进来。

　　4．____________________ he was suffering great pain when he talked.

　　显而易见的是，他说话的时候遭受着巨大的痛苦。

　　【答案】　1.here, near the computers, are　2.have my teeth checked　3.was sitting；when　4.It was obvious that

　　 a large amount of 大量的

　　(教材P6)A large amount of educational software can also be found here.

　　很多教育软件都可以在这里找到。

　　关于"许多；若干"的短语：

　　(1)＋可数名词复数

　　(2)＋可数名词单数＋单数谓语动词

　　(3)＋可数名词复数或不可数名词

(4)＋不可数名词