He speaks English so well that he is thought of as a(n) ____ speaker.
| A．determined | B．native | C．official | D．loose |
_______ with the size of the whole earth, the highest mountain does not seem high at all.
| A．Comparing | B．To compare | C．Compared | D．Having compared |
_______ a post office, I stopped _______ some stamps.
| A．Passed, buying | B．Passing, to buy | C．Having passed, buy | D．Pass, to buy |
We’re _______ to listen to her _______ voice. It’s _______ to hear her sing.
| A．pleased; pleasing; pleasure | B．pleased; pleasant; a pleasure |
| C．pleasing; pleased; a pleasure | D．pleasing; pleasant; pleasure |
.I fell down and broke three of my teeth. I wonder how many times I have to come here and get my false teeth _______.
| A．fix | B．fixing | C．fixed | D．to fix |
_______ the house on fire, he dialed 119.
| A．To see | B．Seeing | C．Having seen | D．Being seen |