Alex is said ________ abroad, but I don't know what country he studied in.

[单选题]第三部分：词汇与语法Alex is said______abroad, but I don't know what country he studie

[单选题]I don't know ________.A.who were theyB.who they areC.who are theyD.who they

[单选题]We don't know what the surface of Venus might______.A． look asB． look likeC． look overD． look about

[单选题]I don't know his address, ______.A．otherwise I will write to himB．otherwise I would write to himC．otherwise I had written to himD．otherwise I would have written to him

[单选题]I don't know ______ standing beside the headmaster.A． the girl's nameB． the name of the girl'sC． the name of the girlD． the name's of the girl

[单选题]I don't know ________ to deal with such matter.A.what B. how C. which D. /

[单选题]I don't know _________ to deal with such matter.A.what B.how C.which D./

[单选题]I don't know ________ to deal with such matter.A.whatB.howC.whichD./

[单选题]I don't know the [origin]of this custom.A.natureB.reasonC.beginningD.result

[单选题]I don't know the [origin]of this custom.A.natureB.reasonC.beginningD.result