—Mom, my classmates invited me ____ a field trip. May I go with them?
—OK.
| A．go on | B．to go on | C．go in | D．to go in |
China is a great country ____ a long history.
| A．has | B．with | C．for | D．Have |
The little boy walked in the crowed city and soon he was_______.
| A．lost | B．lose | C．losing | D．to lose |
.____ you ____ to the park last week?
| A．Were; go | B．Did; go | C．Were; went | D．Did; went |
--_____ will you be back?
-- In a week.
| A．How often | B．How long | C．How far | D．How soon |
It’s polite _____ to your teacher when you meet him at school.
| A．say hello | B．tell hello |
| C．to say hello | D．to tell hello |