All the employees at the company are _______ their business as usual.
| A．going for | B．going through | C．going about | D．going by |
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 |
－Have you known Dr Jackson for a long time?
－Yes，since she the Chinese Society．
| A．has joined | B．joins | C．had joined | D．joined |