原式=1-3+2-6.
Linda with his father often _________ the zoo to see the animal.
A.go
B.goes
C.go to
D.goes to
咳嗽伴发热不常见于
A.急性上呼吸道感染
B.急性下呼吸道感染
C.肺结核
D.胸膜炎
E.自发性气胸