I'll go to the zoo if it ____________tomorrow.
| A．doesn't rain | B．will rain |
| C．rains | D．won't rain |
Xiao Caiqi, ________ 15-year-old girl, gave her_______ excellent performance in the Old Street.
| A．a,/ | B．an,/ |
| C．a, the | D．an, the |
---- Sorry! I’m busy today. I can’t go swimming with you.
---- _______.
| A．No problem | B．You’re welcome |
| C．That’s all | D．Never mind |
Teachers often tell their students _______ across the road when the traffic light is red.
| A．not go | B．not to go |
| C．don’t go | D．didn’t go |
---- Lots of trees and flowers ________ on both sides of the road last year.
---- Oh, _______ beautiful they are!
| A．have been planted; how | B．were planted; what |
| C．were planted; how | D．have been planted; what |
Although he failed this time, he didn’t give up and ＿＿＿__ studying hard.
| A．stopped | B．continued |
| C．succeeded | D．finished |