We____here two hours ago . So we___ _here for two hours .
| A．have arrived , have been | B．have come , have been |
| C．came , have come | D．arrived , have been |
The students are _______ to know that elephants can walk quietly on tiptoe.
| A．surprising | B．surprised |
| C．frightening | D．frightened |
In spring, you will _______ the whisper of the breeze(清风)，if you _______ carefully.
| A．hear, listen | B．listen, hear |
| C．hear, listen to | D．listen to, hear |
—____ girl in red is Millie 。
—Oh， What ___ nice girl!
| A．The / | B．A a | C．The a | D．A / |
—Could I swim here, Mr. Yang?
—No, _____ . It’s dangerous to swim here.
| A．you couldn’t | B．I’m afraid you can’t |
| C．That’s all right | D．No problem |
—How do you look after your goldfish?
—They need clean water, and remember not to _____ with your hands.
| A．pick them up | B．put them out |
| C．look them up | D．put up them |