1.28中美两国正式建立外交关系是在（）

1.16Color-blind people often find it difficult to （） between blue and green.

1.10Your spoken English has improved （）, but it still requires a great deal of practice and hard work.

1.4The bossy manager is always finding fault with his ().

1.3（） it is a good thing I did not get that post I applied for, though I must admit that I was disappointed at the time.

1.20Water encourages the （） of iron and oxygen to form rust.

1.19The （）(far)away we are from our motherland, the_(much)we miss her.

1.18-Why can’t you and Bill go to the movies tonight? -We are （） a history test tomorrow.

1.17He often talks as if he（）(be)my father.

1.16I expect her to （） her obligation.

1.15The book written by the famous writer is worth （）(read).