Mr. Wang often says to her child, “You _______ play with fire(火). It’s dangerous.A. mustn’t B. had better C. needn’t
Who do you often do the shopping _______?
There _______ an apple and two oranges on the table.
It’s so cold today. Don’t keep the window ___________.
________ three years and a half since they began to build the great bridge.
The more we looked at the picture, _______.