I _________ my pen when I _____________ in the park.
| A．lost; was walking | B．lost; walked |
| C．was losting; was walking | D．was losting; walked |
—Excuse me, _____ is it from here to Zhongshan Park?
—It’s about seven kilometers.
A. how far B. how often C. how long
—Are there _____ boats in the river?
—Yes, there are.
A. much B. some C. any
Go straight and you will see the school _____ your left.
A. at B. on C. in
Now I can hear Lily ______ in the classroom.
A. sing B. singing C. sings
It’s eight o’clock. The students ____ an English class.
A. have B. having C. are having