They’ll finish the work _________ time.
| A． In 4 years | B．in 4 years’ | C．in 4 year | D．in 4-year |
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 |