Do you know the little boy ________ is helping the old man cross the road?.
| A．which | B．who | C．whom | D．whose |
---Excuse me, when is the Christmas party of our school?
---This year, it's_______18:00_______ Monday evening.
| A．on; in | B．at; on | C．at; in | D．on; on |
I was not quite sure __________.
| A．what is she looking for | B．why she came late for school |
| C．how did she deal with the problem | D．if she has arrived |
—Haven’t you been to the Great Wall?
—__________, but I will go there with my family one day.
| A．No, I haven’t | B．No, I have | C．Yes, I have | D．Yes, I haven’t |
I often see my mother __________ chess with my father after supper.
| A．to play | B．played | C．play | D．playing |
Look, the children are playing ______. They are all very ______.
| A．happy, happily | B．happily, happy |
| C．happily, happily | D．happy, happy |