IF THE TREE HADN'T BEEN SO HIGH, HE _____ IT UP TO TAKE HIS KIT...

300 BÀI TẬP HAY VỀ CÂU ĐIỀU KIỆN CÓ LỜI GIẢI CHI TIẾT

Bài 9. If the tree hadn't been so high, he _____ it up to take his kite down.A. could have climbedB. climbC. is climbingD. climbed