It was in 1969 ______ two Americans went to the moon by spaceship.
| A．when | B．that | C．at that time | D．just then |
I'm sure you'd rather she went to school by bus，？
| A．hadn't you | B．wouldn't you |
| C．aren't I | D．didn't she |
Old-fashioned phones matter when wireless networks _____ in disasters.
| A．turn down | B．break down | C．turn out | D．break out |
Though I was tired out that evening, I _____ from falling asleep by the great pain in my knee.
| A．was prevented | B．had prevented | C．has prevented | D．am prevented |
.________, I have never seen anyone who’s as capable as John.
| A．As long as I have traveled |
| B．Now that I have traveled too much |
| C．Much as I have traveled |
| D．As I have traveled too much |
You won’t be______ by the host to the wedding ___ you are a good friend of his.
| A．advised; unless | B．admitted; if | C．invited; unless | D．impressed; if |