1. This novel is long enough to take me several weeks to read.

--> This novel is so LONG THAT IT TAKES ME SEVERAL WEEKS TO READ.

2. How long is it since he learnt French?

--> When DID HE LEARN FRENCH ?

3. I study EL so that I can improve my knowledge.

--> I study EL so as TO ỈPROVE MY KNOWLEDGE.

4. They have given her a bunch of flowers.

--> A bunch of FLOWERS HAS BEEN GIVEN TO HER BY THEM.

5. Have you gone to school late before?

--> Is this THE FIRST TIME YOU HAVE EVER GONE TO SCHOOL LATE ?

6. He was delighted to receive his aunt's letter.

--> He was delighted that HE RECAIVED HIS AUNT'S LETTER.

7. ''Do you realize what the time is, Mary ? '' asked Chris

--> Chris asked MARY IF SHE REALIZED WHAT TIME WAS IT.

8. Lan forgot her birthday and so did I.

--> Lan didn't REMEMBER HER BIRTHDAY AND NEITHER DID I.

9. He'd rather play golf than tennis.

--> He prefer PLAYING GOLF TO TENNIS.

10. Mai broke the cup because of her carelessness.

Because Mai IS CARELESS, SHE BROKE THE CUP.