Nowadays there are still a number of students school at various grades due to a lack of money in some poorer areas.
By the time he realizes he _____ a mistake, it’ll be too late for him to change his mind.
The prime minister said that ______ students lack nowadays is devotion and patience.
The poem _____ in tomorrow’s literature class is from a collection of classic works.
Hurry up, honey! We have to arrive at the airport by 11:00 o’clock, _____ we will miss the flight.
They said that not all trainees would be suitable for the jobs _____ they were being trained.