— The classroom is ______ clean ______ it was yesterday.
— Sorry, I forgot to clean it.
| A．as; as | B．so; as | C．not as; as | D．more; than |
The blue pen is mine. The red one is _____________.
| A．Helen | B．Helen’s | C．Helen’ | D．Helens’ |
“世贸组织”的英文缩写是_____________
| A．NBA | B．CCTV | C．WTO | D．BBC |
__________is your sister? She’s five.
| A．How | B．How old | C．What | D．Why |
Four and five ________ nine.
| A．is | B．am | C．are | D．does |
Paul, do you have a basketball? ________, I don’t have one.
| A．Excuse | B．Sorry | C．Yes | D．Sure |