____ of the boys in Class 4 are playing games.
| A．All | B．Each | C．The both | D．None |
The students found _______ easy to work out this maths problem.
| A．it | B．this | C．that | D．him |
New Yorkis bigger than __________ in Australia.
| A．any cities | B．any other city | C．the other cities | D．any city |
We all think we are tired after the long work. Let，s stopa rest.
| A．have | B．to have | C．having | D．to having |
My aunt arrivedGuangzhouthe morning of March 13.
| A．at；in | B．in；on | C．in；in | D．to；on |
Robots（机器人）are to do the same thingspeople.
| A．enough clever；as | B．clever enough；as |
| C．enough clever；with | D．clever enough；with |