Mr Smith always goes for a walk with his dog when he is_________.
A．busy B．free C．health D．alone
—There will be ________ factories in 100 years.
—Really? Where will people work then?
A．not any more B．no more C．not more D．less than
Planes will be very large______ flying will be very cheap.
A．because B．so C．but D．and
There is going to _______ a basketball match this weekend.
A．have B．has C．be D．is
Betty always ________ me some questions but I can’t answer all of them.
A．wants B．asks C．meets D．knows
—This box is too heavy.
—Well, we have got some ________ ones. They’re over there, on the desk.
A．expensive B．light C．easy D．small
