Having now __ 40, he feels that his football career is coming to an end.
| A．gone | B．turned | C．become | D．entered |
Children should be instructed to put things _____ they belong in their early childhood.
| A．where | B．in which |
| C．to which | D．what |
______ label to each of the trees, with detailed introduction of their features, and visitors will know more about them and how to protect them.
| A．To attach | B．Attach |
| C．Attached | D．Having attached |
With ________ word “PM 2.5” repeatedly appearing in ________ media reports, the public can’t help wondering what it really means.
| A．the; \ | B．a; the |
| C．the; the | D．\; the |
We have just heard a warning on the radio _____________ a typhoon may be on its way．
| A．what | B．when | C．which | D．that |
I will spend half of my holiday practicing English and _____________ half learning drawing．
| A．another | B．the other |
| C．others | D．other |