【正文】
他和我都不是老師。 ______ he _______ I am a teacher. 。 He became ________ in maths when he was ________. 20. 你最好乘火車。 You39。d _______ ______ a train. 的適當(dāng)形 式填空。 . reasonable 4. caused 。 playing7. won’t pass8. making 9. is understand 1115 BCCDD[ ,按 要求完成下列各句。 6. took to repair/fix/mend ’t nor young20better take