He was accused _____taking ______drugs when he was at school , so he was questioned by the police.
“It’s better to pay the grocer than the doctor” was the saying that my late grandmother _________ frequently use to remind us of healthy eating.
The teacher told her Senior 3 students that it was important to ___________ time for relaxation under great pressure.
. ---I have never spoken ill of Mary. --- ____________ you don’t like her.
Paper books still play an important role in the US textbook market, with digital textbooks __________ less than 5 percent of the total.
A survey was conducted in Shanghai ____________ interviewees were asked if they wanted to be a factory worker.