英语时态 词性转换 急急急

Question

1.when l entered his office,he____to fix a TV set.(try)
2.when l got back they____down most of the houses in the street.(pull)
3.Our teacher told us that earth____(turn)round the sun.
4.if it____(not rain)to morrow,l'll go swimming .
5yesterday my friend ,Leilei,____(fall)off from the bike and _____his leg.(break)
6l'm sorry l forgot ______(post)your letter.
7he____to China two yaers ago.he_____in China for two years.(来）
8my brother ___the League in 1988.he____the League for three years.
he______a member of the League ifor three years(入团）
9the professor______in beijing for three years by then.(stay)
10they finally decided_______(not go)

Answer 1

1 was trying
2 has pulled
3 turns
4 doesn't rain
5 fell, broke
6 to post
7 came, has been
8 joined, has been in, has been
9 had stayed
10 not to go

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Answer 2

1.when l entered his office,he__try__to fix a TV set.(try)
2.when l got back they__pulled__down most of the houses in the street.(pull)
3.Our teacher told us that earth__turns__(turn)round the sun.
4.if it__doesn't rain__(not rain)to morrow,l'll go swimming .
5yesterday my friend ,Leilei,_fell___(fall)off from the bike and __break___his leg.(break)
6l'm sorry l forgot )___to post___(post your letter.
7he_came___to China two yaers ago.he___comes__in China for two years.(来）
8my brother _jion__the League in 1988.he__joined__the League for three years.
he___is___a member of the League ifor three years(入团）
9 the professor___stay___in beijing for three years by then.(stay)
10they finally decided__mot to go _____(not go)

Answer 3

tried
pult
turns
doesnt rain
fell
broke
posting
has came came
took par t in
took part in
took part in
has been stayed
not to go

Answer 4

1. was trying.
2.have pulled
3.turns
4.doesn't rain
5.fell broke
6.to post
7.came has been
8.joined has been in has been
9.had stayed
10.not to go

Answer 5

1. was trying
2. had pulled
3. turns
4. doesn't rain
5. had fallen, broke
6. to post
7. had came, came
8. joined; had jonied; has became
9. stayed
10. do not go