The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic.
| A．held on | B．worked out | C．touched on | D．kept out of |
“How long have you been here?” “_______ the end of last month.”
| A．In | B．By | C．At | D．Since |
_______ one old lady, the bus was empty.
| A．Except | B．Except for | C．But | D．Besides |
They promise that the work would all be finished _______ next week.
| A．until | B．in | C．by | D．to |
_______ cooking, writing and running the farm, she was very busy.
| A．Among | B．Between | C．Over | D．As |
The size of the audience,____ we had expected, was well over twenty thousand.
| A．as | B．what | C．that | D．whom |