Quyển sách ở đây đã được xác định bởi mệnh đề đằng sau “ you ordered last week” quyển sách mà bạn đặt tuần trước.
Trước trạng từ chỉ thời gian không cần có mạo từ.
He is jealous .............. his rival's success.
Mary married a wealthy man. She got married .............. him last June.
I can't get this ring .............. my finger.
I shall wait .............. you.
These goods are free .............. duty.
I have taught English .............. 6 years.
Elizabeth is fond .............. going to dances.
I have twenty students .............. my class.
He wasted little time .............. social formalities.
It was .............. my will.