They ___ every means, but the engine __ work.
| A．tried; couldn't | B．have tried; won't | C．tried; won't | D．have tried; can’t |
The shop stayed ________ till six o'clock.
| A．opened | B．open | C．close | D．closing |
You’d better ______ it as soon as possible. We have a lot of work to do.
A finished B finish C to finish D finishes
Where _______ for the past few years?
| A．are you | B．have you been | C．have you gone | D．did you go |
---Have you ever been here before?
---No. this is the first time that I to the Great Wall.
A comes B have been C came D had been
My father walksdog after supper every day.
A a; the B /; / C the; the D the; /