I remember meeting all of you in Grade6

unit 12 i remember meeting all of you in grade 6.
一、单项选择
1. they _____in the school, ______ them are working hard.
a. study all, all  b. all study, all of  c. study  all, all of  d. all study, all
2. my grandma is used __________ in china.
a. to live      b. living     c. to living    d. to lives
3. he always got full ________ on a test when h e was in junior high school.
a. mark      b. a mark     c. marks      d. a marks
4. when i was in trouble, my teacher always _____ me to keep up my courage.
a. tell      b. praised     c. ask       d. encouraged
5. in spring, he used to 阅读全文