Thesignattheentrancetothebuildingsays“Thepets_____________!”
A、Keepout
B、Keepon
C、Keepoff
D、Keepaway
Ourteachersmadeus________alotofhomeworkafterschool.
A、todo
B、doing
C、do
D、tohavedoneuntilsevenoclock
A、规范性
B、权威性
C、纵向性
D、严肃性
E、统一性
Howlongdidtheconcert______?
A、go
B、last
C、take
D、make