问题

_____ do you have a trip?—Twice a year.[ ]
A: How often
B: How long
C: How soon
D: When
B: How long
C: How soon
D: When
正确答案是:
同类题型
There a dolphin show in the zoo tomorrow . -Great ! Let’s go to see it together.
What were you doing this time yesterday?—-I ________ my homework at John’s house.
Tom was ______ that he couldn’t understand ______ difficult sentence.
What do you think of your trip to Hainan? —Wonderful. We were all ________with the ________trip.