---These problems are too hard to ______. Could you give me some advice?--- There are many ways. The most important is to have a careful plan.
____ pencil is new.What about____?
—What color is your bag? —____
—What class are you in? —I’m in ____, ____.
—Hi, Lucy. Your skirt is very nice. —____
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.