— I can’t give up smoking, doctor.
For your health, I’m afraid you _______.
| A．may | B．can | C．have to | D．need |
There are ________books on my desk. _______books is fifty.
| A．a number of; The number of |
| B．the number of ;The number of |
| C．a number of ;A number of |
| D． the number of ,A number of |
Don’t waste time any more. Wang Jun __________to be the monitor yesterday.
| A． chooses | B． is chosen |
| C．chose | D． was chosen |
They are _____little children that you can't look after ____many by yourself at the same time.
| A．such, such | B．so, so | C．so, such | D．such ,so |
______she is only three years old, she knows a lot of English words.
| A．Before | B．Because | C．When | D．Although |
There’s ________ 800-metre-long road behind ________ hospital.
| A．an; an | B．a; a | C．an; the | D．a; the |