2188 is a lucky number, ________ I suppose, that will bring us luck and fortune and will be loved by us all.
| A．it | B．one | C．which | D．that |
22．I’m terribly sorry to turn you down this time, but I promise I will ________ to you next time.
| A．pick it up | B．make it up | C．turn it up | D．set it up |
21．The moment we heard the news of the earthquake, we began to ________ the work to rescue those who were trapped in the building.
| A．set off | B．set down | C．set aside | D．set about |
Suddenly the idea came to me ____ I might turn to Mr．Smith for help．
| A．what | B．that | C．which | D．whom |
I don' t want to be a person that always cries, but today apparently ____．
| A．I am | B．I will | C．I have | D．I did |
Naturally, after I tell my brother what to do, he ____ go and do the opposite．
| A．will | B．may | C．can | D．must |