暖季型草坪中，（）耐阴性最弱。
A.狗牙根
B.马尼拉
C.结缕草
D.天鹅绒
参考答案：A
The light in the office is off. The teacher _____ be there now. [ ]
A. may
B. can't
C. mustn't
D. must
汉译英：“收款人；说明书”，正确的翻译为：( )
A．payee; specimen
B．payer; specimen
C．payer; specification
D．payee; specification
