Corn production____nearly 125 percent over the past 25 years in China．（ ）
| A． |
jumped |
B． |
jumps |
C． |
will jump |
D． |
has jumped |
Hello， Anna! It's cold today， isn't it？
Oh， I think it's _______．（ ）
A．warmB．freeC．tidyD．lazy
My classmate Mike is going to ________ Beijing with his father the day after tomorrow．（ ）
A．aB．anC．theD．/
Excuse me， Kate． Is this your eraser？
Oh， yes． It's ________． Thank you， Bob．（ ）
A．sheB．herC．yourD．mine
Good morning， Jack!
________， Dale!（ ）
A．GoodbyeB．Good morning
C．Good ideaD．Good evening
I think he can finish the work on time． It doesn't ________ /rɪˈkwaɪə/ much effort．（ ）
A．requireB．rocketC．requestD．repair