24．Tom is now in our class，but he once in Westbrook High School for a term．
| A．has studied | B．studied | C．had studied | D．Studies |
While he was at college，he took part in political activities，and was thrown into prison．
| A．the；/ | B．/；the | C．／；／ | D．the；the |
Great changes have taken place in China since the People’s Republic of China
in 1949．
| A．was found | B．founded | C．was founded | D．found |
At night we can see stars in the universe．
| A．millions of | B．million of | C．millions | D．million |
The Olympic Games，in 776 B．C．，did not include women players until 1912．
A．first playing B．to be first played
C．first played D．to be first playing
If the weather had been better，we could have had a picnic．But it all day．
| A．rained | B．rains | C．has rained | D．is raining |