问题
选择题
How many cities _____ the Greens _____ since they came to China last week? [ ]
A. have; traveled
B. has; traveled
C. have; traveled to
D. has; traveled to
答案
C
How many cities _____ the Greens _____ since they came to China last week? [ ]
A. have; traveled
B. has; traveled
C. have; traveled to
D. has; traveled to
C