I can’t quite remember ___ you started doing the work.
| A．that is was when | B．when it was that | C．when was it that | D．that was it when |
Only by improving education and high science technology can a country become a(n)________one.
| A．advanced | B．bored |
| C．astonished | D．convinced |
When I first got this horse，she was not going to accept any________from me.
| A．invitations | B．constructions |
| C．instructions | D．directions |
As________tourist attraction，the Summer Palace does have________strong attraction to visitors from home and abroad.
| A．the；/ | B．the；a |
| C．a；/ | D．a；the |
—Sorry，it’s already 6 o’clock.I have to be off for an appointment.
—OK.________.
| A．It couldn’t be better | B．You really have me there |
| C．Let’s call it a day | D．Take your time |
Honesty is a virtue________greed is an evil，as the saying goes.
| A．while | B．when |
| C．as | D．and |