There is ________"u" and ________"h" in the word "hour".
| A．a/a | B．an/an | C．a/an | D．an/a |
Though I ______ the phone number many times, the foreigner still couldn’t write it down.
| A．refused | B．repeated |
| C．researched | D．recognized |
I really enjoyed your lecture, ______ there were some parts I didn’t quite understand.
| A．because | B．unless | C．though | D．after |
-- I'm hungry, is there any bread in the fridge?
-- ______，but we have cakes. Would you like to have one?
| A．Some | B．Much |
| C．None | D．Nothing |
The mobile phone has influenced people’s life a lot since it _________.
| A．invents | B．invented |
| C．is invented | D．was invented |
-- Chinese astronauts can also walk in space now.
-- Yes, they're______ our nation.
| A．proud of | B．pleased with |
| C．the pride of | D．known for |