When will Sally and Carol arrive？
I don't know． I have ______here for half an hour．（ ）
A．comeB．leftC．waitedD．arrived
I wish you can get good grades this time!
____ ．（ ）
A．Thank youB．Don't say so
C．I'm afraid notD．Yes， you are right
Hi， Wu Lei． We haven't seen each other for long time．
____ ．（ ）
A．Good luck
B．That's great
C．Best wishes
D．Nice to see you again
We teenagers should look up to the people___ have made great achievements to our country， like Yuan Longping．
I think so．（ ）
A．whoB．whatC．whichD．whose
Can you tell me ____ ？
Sure． He lives on Center Street．（ ）
A．what his job isB．what does he do
C．where he livesD．where does he live
I can't hear clearly． Please ____ the radio a little．
Just one minute． I'll do it right away．（ ）
A．turn onB．turn offC．turn upD．turn down