I visited Jiuzhaigou last autumn. Never in my lifeso beautiful a place like that.（)A.

A.I had seen

B.did I see

C.have I seen

D.I shall see

A.having visited

B.to visit

C.have visited

D.had visited

A.visited

B. visit

C.am visiting

D. have visited

A、bring

B、get

C、 take

D、 frighten

—Have you visited the Science Museum？

—No, but I really wish I ______ .

A．will B．have C．did D．had

I think it unnecessary to go back there, _____we have visited these places.

Aso that

Bin order to

Cprovided that

Dnow that

I often visited the British Museum ______ I was staying in London.

A. until

B. while

C. during

D. throughout

A.what

B.who

C.that

D.which

A.was visiting,studied

B.visited,studies

C.visited,was studying

D.was visiting,was studying

I ____ if I had had your address.

A: would have visited

B: would visit

C: visited

D: will visit