Not until years later _____ their leading position in the marketplace with the creation of Swatch watches.
| A．the Swiss regained | B．the Swiss has regained |
| C．did the Swiss regain | D．has the Swiss regained |
We all know that, __________, the situation will get worse.
| A．not if dealt carefully with |
| B．if not carefully dealt with |
| C．if dealt not carefully with |
| D．not if carefully dealt with |
—Can I join the club, Dad?
—You can when you _____ a bit older.
| A．get | B．will get | C．are getting | D．will have got |
If you are in any doubt as to _____ you should be doing these exercises, consult your doctor.
| A．that | B．which | C．what | D．whether |
—When can I come for the photos? I need them tomorrow afternoon．
—They_______ be ready by 12：00．
| A．can | B．should | C．might | D．need |
Was it _____ she heard with her ears ____ really made her frightened?
| A．that; that | B．what; that | C．what; what | D．that; what |