If you absolutely want to get the truth of Malaysia Airlines MH370, _______ wait until the timing is right.
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.