Trees and flowers ________every year to make our country more beautiful.
A. is planted B. was planted C. are planted D. were planted
—Mr. Smith, would you please speak a little more ________?
—Sorry! I thought you could follow me.
A. quietly B. slowly C. quickly D. politely
—Liu Qian is good at doing the tricks with the cards.
—Yes, but if you watch carefully, you can see _______he does them.
A. who B. what C. which D. how
My bike is broken, so I have to go to school _________ my mother's.
A. by B. in C. on D. with
— What do you want to eat for lunch? I will prepare it earlier today.
— You_____, mum. Let’s go out to have something different.
A. mustn’t B. can’t C. shouldn’t D. don’t have to
—May I go swimming this afternoon?
— I'm afraid not _______ you have finished your homework.
A. if B. unless C. because D. but
