Just as the travel and entertainment cards have taken on bank card qualities, so too______bank cards become more like T & E cards.
A. do
B. have
C. did
D. will
The weeds and tall grass in that yard make the house look as if it______vacant for quite some time.
A. were
B. was
C. had been
D. has been
患儿,男孩,7岁,因发热、意识障碍诊断为病毒性脑炎收入院治疗。
该病80%有以下病毒引起
A. 乙脑病毒
B. 腮腺炎病毒
C. 柯萨奇病毒
D. 疱疹病毒
E. 合胞病毒
Because he has worked in our company for a very short period of time, I have very little information______my opinion of his value to the company.
A. which to be based on
B. which to be based on
C. to base on which
D. on which to base