According to some students, ______ listening practice is still ______ must in Senior 3, because it helps promote the sense of language.
I really wonder__________ he has posted me many parcels___________ we didn’t work together.
It is a rule in his family that __________ comes home earlier should cook the dinner for the family.
The black horse is___________ of the pair.
I coutdn't have got to the meeting on time____________ an earlier train.
________ is quite natural,a beginner can't read the books written in English very quickly.