Joe Jones, the eldest of the eight children, had to ________ out of high school at the age of 16 to help his father on the farm.
| A．leave | B．drop | C．fall | D．go |
—I failed again. I wish I _________ harder.
—But you _________.
| A．had worked; hadn’t | B．worked; don’t | C．had worked; didn’t | D．worked; didn’t |
-What did you do yesterday afternoon?
-I went to the bookstore，___ some books and visited my uncle.
| A．to buy | B．bought | C．Buy | D．buying |
The stone on the river bank rolled under her feet; she was _____into the river，and she called out for help.
| A．being jumped | B．jumped | C．pulled | D．being pulled |
-Everyone says you are a good student. You are never late for school，are you?
-_______.
| A．No，sometimes | B．Yes，sometimes | C．Yes，I did | D．No，I do |
_____ all the inventions have in common is ______ they have succeeded.
| A．What; what | B．That; what | C．What; that | D．That; that |