—Yes. We had a great time there.
A:Have; shown
B:Do; show
C:Had; shown
D:Did; show
百宝箱(课外知识积累)
我国的植树节定在____月____日。读了这首诗歌,我们知道了植树造林的一些益处,你还知道植树造林的好处有:____。
—Why don't you ask your brother __________ help?