The question of _________ English will keep on changing in the future，though most people doubt，is actually easy________.
| A．if；to be answered | B．whether；to answer |
| C．how；answered | D．what；to answer |
--- Why are you so angry?
--- Jack failed to return my tennis bat on time again. He _______his words.
| A．is always eating | B．has always eaten |
| C．always eat | D．always ate |
All the doctors in the hospital insisted that he ______ badly wounded and that he ____ at once.
| A．should be; be operated on | B．was; must be operated on |
| C．was; should be operated | D．was; be operated on |
The father along with his children ______ solving word puzzles.
| A．are like | B．is like | C．like | D．likes |
______it is to jump into a pool or go swimming in the sea when you visit Hawaii!
| A．What fun | B． What a fun | C． How fun | D．How a fun |
_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.
| A．Since | B．As | C．With | D．For |