改错。

( ) 1. Just stay on bed and I'll telephone the doctor.  _________________ 

                           A              B        C

( ) 2. You'd better to go to the hospital.　　　　　 _________________

                               A      B           C 

( ) 3. How many fishes can you see in the river?      _________________

                        A        B                C

( ) 4. Summer begin in June. 　　　　　　　　　 _________________

                             A   B   C 

( ) 5. Look! The girl is make a snowman.　　　　 _________________

　　　　　　　　　　A   B   C

– You seem to know much about the city.

– That’s true. I _______ it four times in the last three years.

A．visited

B．am visiting

C．have visited

D．will visit