Can the scientist ______ [iks'plein] the reasons for changing the plan?
| A．explain | B．experience | C．explore | D．expensive |
Children are in computer games because they are .
| A．interested, interest | B．interesting, interested |
| C．interest, interesting | D．interested, interesting |
Mary went to the cinema going to school.
| A．instead | B．instead of |
| C．however | D．so |
Look, dity the water is!
| A．what a | B．what | C．how | D．how a |
Jimmy TV when his mother got home.
| A．will watch | B．watches |
| C．is watching | D． was watching |
He can’t go home he finish his homework by himself.
| A．until | B．if | C．unless | D．before |