From Mum’s love, patience and understanding, I have learned what a huge responsibility ___ is to raise a child.
| A．it | B．that | C．this | D．one |
We __________ to paint the whole house but finished only the front part that day.
| A．set about |
| B．set up |
| C．set out |
| D．set down |
—When would it be __________ for you to go to the science museum with me?
—I am free this Friday afternoon. Let's meet at 2 pm at the school gate.
| A．familiar |
| B．pleasant |
| C．necessary |
| D．convenient |
I haven't seen Anna since she left our hometown two years ago, but we do keep in touch with each other by sending e-mails __________.
| A．here and there |
| B．sooner or later |
| C．at one time |
| D．now and then |
—Listen, there is some strange noise. This machine must be __________.
—I think so. You must have it checked.
| A．out of order |
| B．out of date |
| C．out of sight |
| D．out of control |
—Mom, 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．carry |
| B．bear |
| C．catch |
| D．take |