___________, you will get good grades.
A.If you will work hard B.If you work hard C.If you worked hard
With the help of the government, my hometown becomes ___________ than before.
A.beautiful B.more beautiful C.the most beautiful
— Tina, is your father a teacher?
— Yes, he is. He ___________ English for nearly 20 years.
A.is teaching B.teach C.has taught
Aizhai Great Bridge ___________ in March 2012 and it is one of the highest bridges in Asia.
A.was built B.built C.is built
Please ___________ the rubbish into different litter bins according to the signs.
A.puts B.put C.to put
The world is changing with every minute, and China___________ with every minute，too.
A.is changing B.had changed C.changed
