—How many times have you been to China?
—In fact, it is the first time that I__________ here.
| A．was | B．have been | C．had been | D．am |
Does _______ matter if he can’t finish the job on time?
| A．this | B．it | C．he | D．that |
I don’t think _______ possible to master a foreign language without much memory work.
| A．it | B．that | C．its | D．this |
Therearetworoadsandeither ________tothestation.
| A．leads | B．lead | C．areleading | D．isleading |
Whenandwherethistookplace_________stillunknown.
| A．are | B．were | C．is | D．has |
Ourfamily____ahappyone.
| A．is | B．are | C．was | D．were |