We are looking forward to ________ from Mary.
A. hearB. hearingC. heardD. have heard
look forward to 盼望
pay attention to 注意 stick to 坚持
be used to 习惯于(但used to表示过去常常，to为不定式符号；be used to 表示“被用来……”时，to 也是不定式符号)
on the way to 马上成为 (但表示“在做某事的路上”时to是不定式符号)
1. He was devoted to _________ the poor.
A. help B. helping C. helped D. being helped
2. The weather was cold，but soon he got used to
A. live B. livingC. lived D. having lived
3. You should pay more attention to __________ with
those who differ with you.
A. unite and work B. uniting and workingC. unite and working D. uniting and work
4. She was on her way to __________ her daughter.
A. seeB. seeingC. sawD. have seen
5. He was on the way to __________ an engineer.
A. becomeB. becomingC. becameD. be
答案：1. B 2. B 3. B 4. A 5. B