__ many times, but she still didn't know how to do it.
| A．She was taught | B．Having taught | C．Having been taught | D．She has taught |
—— ____ he start at once or wait for a while?
—— Let him start at once.
| A．Will | B．Would | C．Can | D．Shall |
．Where is my watch? I _______ it.
| A．might lose | B．must have lost | C．would have lost | D．should lost |
This memorial was built ______ those heroes who laid down their lives for the liberation of
the black.
| A．in memory of | B．in the honor of | C．in favor of | D．in search of |
Although there were so many people in the square, I could ______ my friend.
| A．pick up | B．pick out | C．make up | D．set out |
The great day we had been looking forward to _______ at last.
| A．comes | B．come | C．coming | D．came |