I can’t imagine why he didn’t stick to his promise____he would do his best to buy me a new bike.
| A．which | B．that | C．what | D．as |
The task is too much for me, so I can’t carry on ______any longer. I must get some help.
| A．singly | B．simply | C．alone | D．lonely |
I haven’t seen______ this since I collected stamps.
| A．as old a stamp as | B．so an old stamp as |
| C．stamp as old as | D．as an old stamp a |
—— What do you think of the concert?—— Oh, it was______success.
| A．a very | B．quite a | C．so | D．really |
The plane flew smoothly ______ in the sky and people spoke ______ of theexperienced pilot.
| A．high；high | B．highly；highly | C．high；highly | D．highly；high |
Professor White has written some short stories, but he is _____ known for his plays.
| A．the best | B．more | C．better | D．the most |