The government has taken some measures to solve the shortage of electricity, but it may be some time _________ the situation improves.
A．since B．when C．before D．unless
Mandela, having devoted all his life to the freedom of South African Blacks, is a real fighter for us to_________.
A．live up to B．come up to C．make up to D．look up to
You cannot imagine what great trouble I took ______ your house.
A．to find B．finding C．found D．having found
Jordan kept his illness from his opponents before the final game ________ they might know about it.
A．now that B．on condition that C．for fear that D．in order that
— Have you seen ____ pencil? I left it here this morning.
—Is it _____black one? I think I saw it somewhere.
A．a; the B．the; the C．the; a D．a; a
Don’tspend time beating ona wall, to change it into a door.
A．hope B．hoped C．hoping D．to hope
