It is often said that____ teachers have ___ very easy life.
| A．不填；不填 | B．不填；a | C．the; 不填 | D．the; a |
A number of tests have been conducted to _______ that these drugs have no side effects.
| A．find out | B．look for |
| C．make sure | D．work out |
Every year, typhoons and losses ______ lead to are frightening though measures have been taken.
| A．which | B．that | C．they | D．ones |
The managers discussed the plan that they would like to see __________ the next year.
| A．carry out | B．carrying out |
| C．carried out | D．to carry out |
I can’t thank him too much, ____________ I couldn’t have finished the project in time.
| A．without his help | B．with his help |
| C．without whose help | D．with whose help |
Seeing the happy _______ of the kids playing on the playground, I can’t help thinking of my childhood.
| A．sight | B．scene |
| C．view | D．sign |