Give the correct form of the verbs in brackets to complete the following sentences
1. When my father ( be)............... a boy, he often (play)...................football after school
2. I think he (go)...............there again this summer
3. How much (it/cost).......................to send this letter to China?
Fill in each of the blank with one approprite word
Dear Sir, I (1) ……… writing to complain about EASY camera. I bought (2)……….. two weeks ago. I just received my first set (3)………. color photos only yesterday. I am enclosing them with this letter. You will see that they (4) ……… very dark.I think that your EASY (5) ……… is very bad, but I will try again. You see, (6) …………. wasted my money on (7) ……. first set of photos. Would (8) …….. please send a new film to me? If the next photos are also very (9)……… . I will send the camera to you and ask you (10) ……… return my money.
Your faithfully,Tony Brown
Give the correct form of the verbs in brackets to complete the following sentences
1.I'm very bored. My mother always(complain) about her housework
2. You(be) able to to speak English better if you (learn) harder
3. There is a book on the table, but it ( not belong) to me
4. I am tired of (watch) Let's do something different.
5.'LAn is in hospital'."I know. I(visit?) her tomorrow''
Give the correct form of the verbs in brackets to complete the following sentences
1.I'm very bored. My mother always(complain) about her housework
2. You(be) able to to speak English better if you (learn) harder
3. There is a book on the table, but it ( not belong) to me
4. I am tired of (watch) Let's do something different.
5.'LAn is in hospital'."I know. I(visit?) her tomorrow''
C4. Trên hình 5.4, vẽ một điểm sáng S (nguồn sáng nhỏ) đặt trước gương phẳng và hai tia sáng xuất phát từ S tới gương.
a) Hãy vẽ ảnh S' của S tạo bởi gương phẳng bằng cách vận dụng tính chất của ảnh.
b) Từ đó vẽ tia phản xạ ứng với hai tia tới SI và SK.
c) Đánh dấu một vị trí đặt mắt để nhìn thấy ảnh S'
d) Giải thích tại sao ta nhìn thấy ảnh S' mà không hứng được ảnh đó trên màn chắn.