23．You shouldn' t come in here leaving the customers_________at the counter
| A．wait | B．to wait | C．Waiting | D．waited |
Ourresources and fine policy can certainly provide foreigners with the advantages of developing their business.
| A．narrow | B．limited | C．abundant | D．generous |
With food and gunpowder short, the soldiers are suffering from hunger and danger of being attacked by the enemies at any time.
| A．to run | B．to be run | C．run | D．running |
The mother felt herself cold and her hands trembled as she read the letter from the battlefield.
| A．grown | B．grow | C．to grow | D．to have grown |
You cannot predict everything. Often things don’t _____ as you expect .
| A．run out | B．break out | C．work out | D．put out |
— It's so cold! Why are your windows still open?
— Oh, they__________.
| A．aren't closing | B．won't close | C．won't be closed | D．aren't closed |