—The country has already sent up an unmanned spacecraft to the moon.
—Yes. Chang’e I to the moon last October.
A.has been sent | B.has sent | C.was sent | D.sent |
—The country has already sent up an unmanned spacecraft to the moon.
—Yes. Chang’e I to the moon last October.
A.has been sent | B.has sent | C.was sent | D.sent |