chia V ở thì QKĐ/HTHT: 8.how many times.................you(see)..............him since he went to Edinburgh? 9. who is that woman? I(never/see)..........her before. 10. I(not meet)_______him since we(leave)______school in 1998. 11. I (see)_______that film several times because I like it. 12. I'm sorry the car is not here. I(just sell)________it. 13. she(finish)________her homework recently. 14. Mr.Green (teach)_________French since he left London in 1997. 15. My brother(use)_______this computer for 2 years. 16.______you(watch)_______TV last night?

chia V trog ngoặc ở thì QKĐ hoặc HTHT. 4. during the last few weeks I (be)..............very busy. 5.Wait aminute I (just not finish )...................my meal 6. Tim (not,take)........................many photos yet. 7.John and I (be) ................pen pals for nearly 3 years

chia động từ trong ngoặc ở thì quá khứ đơn hay thì hiện tại hoàn thành. 1.when...............you (start)..............learning EL?-in 2020 2. hurry up! the concert(just begin)....................and we are late 3.he(leave)......................the house a few minutes ago

cho tam giác ABC vuông tại A có góc C = 30° . kẻ AH\(\perp BC\).trên đoanj thăngr HC lấy điêmr D sao cho HD=HE . từ D kẻ DE\(\perp AC\left(E\in AC\right)\) a, CM \(\Delta ABC\)đều

b,so sánh AH và CE

c,biết AB=5cm.tinhs độ dài AH và BC

Tìm x biết: \(\left|x-2\right|+\left|3-2x\right|=2x+1\)