H．is (one) name is Mike. But I don’t know his family name.

[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 __________.A．how often he visits his grandparentsB．how soon will he come backC．how many students are there in his classD．how long is the bridge

[单选题]4． —This is Mike． Can I _________to Mr Li?—Hold on，please．A．tell'B．talkC．sayD．speak

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

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

[主观题]I don‘t________ your name．

[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./