【单选题】He_____________ his homework at school. [ ]
【单选题】下列不是物质透过膜的主要三种方式( )。
【简答题】常见的织物据其生产方法不同有____________、___________、___________ 、___________编结物等织物。
【单选题】下列不是物质透过膜的主要三种方式( )。
【多选题】常见的织物据其生产方法不同有____________、___________、___________ 、___________编结物等织物。
【单选题】There are two _____ students in my school. But our school _____ library. [ ]
A.
hundreds, doesn't have a
B.
hundred, doesn't have a
C.
hundreds of, doesn't have any
D.
hundred, doesn't have any