问题补充:
Tom misses his brother very much and he is looking forward him.
A. to hear from
B. hearing from
C. to hearing from
D. heard from
答案:
A. to hear from
B. hearing from
C. to hearing from
D. heard from
解析:句意:汤姆很想他的哥哥,他希望收到他的来信。Look forward to sth./doing sth.希望做某事,to是介词,所以后面接动名词,及ing形式; hear from收到来信;故选C。