All happy families _____ one another, but each unhappy family is unhappy in its own way.
| A．resemble | B．are similar |
| C．similar to | D．resemble to |
----I’m going to travel to America. Would you consider telling me about your experiences.
---- ____________. Let’s discuss over dinner.
| A．That’s all right | B．By all means |
| C．Go ahead | D．It just depends |
________hard you try, it is difficult to lose weight without cutting down the amount you eat.
| A．Whatever | B．However | C．Whichever | D．Whenever |
I appreciate ______when she offered to help.
| A．it | B．that | C．one | D．ones |
----Does this dress fit Mary?
----I don’t know. She is very _______about what she wears.
| A．especial | B．special | C．particular | D．unusual |
Only then __________how much damage had been caused.
| A．she realized | B．she had realized |
| C．had she realized | D．did she realize |