Electronic devices such as iPods and headphones can do great harm to our hearing if _______ improperly.
| A．being used | B．used | C．to be used | D．having been used |
As it is known to all,________ attention you pay to your spelling,________ mistakes you might make.
| A．the less; the less | B．the less; the fewer |
| C．the less; the more | D．the more; the more |
-Sorry for keeping you waiting.
-Never mind. I________ here only a few minutes.
| A．came | B．come | C．was | D．have been |
Those relatives were________ people. After a few days, I was getting________ and homesick.
| A．boring; boring | B．bored; bored |
| C．bored; boring | D．boring; bored |
If you’re interested in________ me, please drop me a line and we’ll be pal friends.
| A．being friend with | B．making friends with |
| C．making a friend to | D．making a friend with |
One way to understand thousands of new words is to have________ good knowledge of basic word formation.
| A．/ | B．the | C．a | D．one |