The baby is generally healthy, but every
题型:选择题
问题:
The baby is generally healthy, but every now and then he ______ a cold. [ ]
A. has caught
B. is catching
C. caught
D. does catch
The baby is generally healthy, but every now and then he ______ a cold. [ ]
A. has caught
B. is catching
C. caught
D. does catch