16. The article suggests that when a person ________ under unusual stress he should be especially careful to have a well-balanced diet.
A. is
B. were
C. be
D. was
(责任编辑:admin) |
16. The article suggests that when a person ________ under unusual stress he should be especially careful to have a well-balanced diet.
A. is
B. were
C. be
D. was
(责任编辑:admin) |