It is common in ______ that people in _____ fifties are going to university for further education.
| A．90s; the | B．the 1990s; / | C．90s; their | D．the 1990s; their |
You think you’re poor, but look at the people in really poor countries─it’s all ____.
| A．relative | B．simple | C．similar | D．related |
____ my sister three times today but her line was always busy.
| A．I’d phoned | B．I’ve been phoning | C．I’ve phoned | D．I was phoning |
Most people ____ material possessions.
| A．chase away | B．chase after | C．chase about | D．chase down |
He got to the station early, ____ missing his train.
| A．in case of | B．instead of | C．for fear of | D．in search of |
Scientists are confident that they can make lasers which can ____ missiles.
| A．knock down | B．knock out | C．knock into | D．knock off |