In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.
| A．sticking | B．stuck | C．to be stuck | D．to have stuck34. |
He has made progress that we all praise him．
| A．so a great | B．such a great | C．so great | D．such great |
Tomorrow is Tom’s birthday．Have you got any idea the party is to be held．
| A．what | B．which | C．that | D．where |
He made a mistake，but he corrected the situation it went worse．
| A．until | B．when | C．before | D．as |
matters most in learning English is enough practice．
| A．What | B．Why | C．Where | D．Which |
It long before we the result of the experiment．
| A．will not be；will know | B．is；will know |
| C．will not be；know | D．is; know |