Hãy dùng từ gợi ý viết hoàn chỉnh những câu sau:
1. You / know / who invent / ballpoint pen ?
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2. When / I / primary school / teacher / make / me / write / fountain-pen.
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3. At / time / I / prefer / use / ballpoint pen.
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4. Ballpoint pens / use / to / very expensive / when / first introduce / Viet Nam.
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5. Father / say / ballpoint pen / used / cost / some VND.
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6. Big / French company / make / ballpoint pens / call / Bic.
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7. How many / ballpoint pens / produce / world / each year?
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8. Ballpoint pens / use / widely / than / fountainpens.
.......................................................................................
9. It / because / they / cheaper / and / convenient.
.......................................................................................
10. It / advisable / that / children / learn / write / not use / ballpoint pens.
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Hãy dùng từ gợi ý viết hoàn chỉnh những câu sau:
1. You / know / who invent / ballpoint pen ?
do you know who invented the ballpoint pen ?
2. When / I / primary school / teacher / make / me / write / fountain-pen.
when i was in primary school, the teacher made me write with fountain-pen
3. At / time / I / prefer / use / ballpoint pen.
at that time, i prefered to use ballpoint pen
4. Ballpoint pens / use / to / very expensive / when / first introduce / Viet Nam.
Ballpoint pens used to be ver expensive when they were first introduced into Vietname
5. Father / say / ballpoint pen / used / cost / some VND.
my father said that a ball point pen used to cost some VND
6. Big / French company / make / ballpoint pens / call / Bic.
the big French company which makes ballpoint pens is called Bic
7. How many / ballpoint pens / produce / world / each year?
how many ballpoint pens are introduced in the world each year?
8. Ballpoint pens / use / widely / than / fountainpens.
Ballpoint pens are used more widely than fountainpens.
9. It / because / they / cheaper / and / convenient.
it's because they are cheaper and more convenient
10. It / advisable / that / children / learn / write / not use / ballpoint pens.
it is advisable that children who are learning to write shouldn't use ballpoint pens.