Only after the woman had her own child how difficult it was to be a mother.
| A．did she realize | B．she had realized | C．she realized | D．had she realized |
There are a lot of problems today which are beyond any single person’s ability to solve,and they call for united _________.
| A．force | B．efforts | C．energy | D．operations |
Are these made __________ hand or __________ machine?
| A．by; with | B．with; by | C．by; by | D．with; with |
Our football team’s __________ has been excellent during the whole year.
| A．demand | B．master | C．history | D．performance |
—Mum,it is nice weather.I want to skate this afternoon.
—Don’t you think the ice on the lake is too thin to __________ your weight?
| A．stand | B．bear | C．catch | D．take |
I was paid last week,but I can’t remember the exact __________ of the money.
| A．number | B．value | C．amount | D．percent |