It has been announced that candidates _______ remain in their seats until all the papers have been collected.
| A．can | B．will | C．may | D．shall |
15. The managers discussed the plan that they would like to see ______ the next year.
| A．carrying out | B．carried out | C．carry out | D．to carry out |
14. --- It’s thirty years since we last met.
--- But I still remember the story, believe it or not, ______ we got lost on a rainy night.
| A．which | B．what | C．that | D．When |
13. ___ had they reached the 30th floor ____ they realized that they had forgotten to take the key.
| A．Hardly; than | B．Hardly; when | C．No sooner; when | D．No sooner; then |
12. Bungee is an adventurous sport, popular with young adults, ______ courage matters more than strength.
| A．where | B．that | C．of which | D．whose |
11. The public has complained that large quantities of waste water ______ into rivers without being cleaned, so large amounts of money ______ to solve the problem.
| A．have poured; is needed | B．has poured; are needed |
| C．have been poured; is needed | D．have been poured; are needed |