Often he______ sit for hours doing nothing at all when he was in low spirits.
A．should B．would C．could D．might
What he had said and done in the school ______ his parents and teachers.
A．was pleased B．pleased C．pleased by D．pleased with
—What are you anxious about?
—_______.
A．How can we succeed B．Whether we can succeed
C．When can we succeed D．That we can succeed
The boss refused to sell the car for ________ he thought was not satisfactory.
A．that B．which C．how D．what
―The river runs clear.
―We all appreciate the importance the local government has_______ the environmental protection.
A．attached to B．left for
C．responded to D．learnt from
Be careful that a good name of a product doesn’t _______ mean good quality of it.
A．alternatively B．approximately C．obviously D．necessarily
