Not until he met with the difficulty _______ the importance of group work．
| A．he realized | B．did he realize | C．realized he | D．he didn’t realize |
Wherever she is sad, her parents can always______.
A．bring her up |
B．cheer her up |
| C．give her up | D．come on |
. Danny left word with my mother _____ he would call again in the afternoon.
| A．who | B．that | C．as | D．which |
I’d try even if I may fail ______sit there worrying in time of trouble.
| A．rather than | B．other than | C．more than | D．less than |
---- Do you mind if I smoke?
----________.
| A．Why not? | B．Yes, help yourself. |
| C．Go ahead. | D．Yes, but you’d better not. |
——Come on! I know you have ____gift for music.
------ Sorry. But I’m in _____ bad mood today.
| A．/ ; a | B．the ; / | C．a ; a | D．the; a |