“You can’t have this football back_____you promise not to kick it at my cat again.” the old man said firmly.
| A．because |
| B．since |
| C．when |
| D．until |
She works as a typist in a company. However, she doesn’t like the work, because _____ calls for patience and speed.
| A．which | B．it | C．what | D．she |
He moved to Germany in _____, when he was in _____.
| A．the late 1990s; his sixties | B．late 1990s; his sixties |
| C．the late 1990s; the sixties | D．late 1990s; the sixties |
The most important thing about cotton in history is _____ part that it played in
_____ Industrial Revolution.
| A．不填; 不填 | B．the; 不填 | C．the; the | D．a; the |
It’s already 10 o’clock. I wonder how i____________that she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
_______ what would happen, none of them could find a way out.
| A．Left wondering | B．Having left wondering |
| C．Leaving to wonder | D．Having left to wonder |