Are you [positive]that there's been no mistake?

[单选题]Are you [positive]that there's been no mistake?A.rationalB.reasonableC.cert

[单选题]I [am sure totell] you that there's no danger.A.ensureB. assureC. insureD.

[单选题]I am [sure] totell you that there's no danger.A.ensureB.assureC.insureD.sec

[单选题]I'm afraid there's a slight problem with my room－my bed hasn't been made ye

[单选题]You've been busy, haven't you?______________.A.I was busy last week. B.Yes,

[单选题]There's _________800-metre-long road behind _________hospital.A．an,an B.a, a C.an, the D.a, the

[单选题]37． —There's somebody at the door．_________ it be Jim?—No ,It __________be him． It's just seven o'clock．It’s too early．A． May; can'tB． Will; won'tC． May; mustn’tD． Must; may not

[问答题]There's a party at my house this Friday.

[单选题]It's been a wonderful evening. Thank you very much.- _________A.My pleasure

[单选题]It's [inevitable]that doctors will make the occasional mistake.A.strangeB.c