English is difficult________. Nobody can learn to use it in a few minutes.
| A．learning | B．to be learned | C．learned | D．to learn |
I took the medicine but it didn't have any ___.
| A．answer | B．cause | C．work | D．effect |
Waier, the ___ please!
| A．bill | B．amount | C．money | D．dollar |
Can you give me any ___ as to how I can improve my English?
| A．information | B．sugestion | C．words | D．way |
His grandmother’s back was bent with ___.
| A．age | B．year | C．old | D．day |
It is ___ to observe traffic rules.
| A．of great importance for us | B．important to us | C．great importance of us | D．of great importance to us |