—I remember I left my laptop in the study last night. Why ________ here?
—Oh, I thought you might need it so I brought it here for you.
| A．does it come | B．has it come | C．had it come | D．will it come |
My brother _____ the Youth League since 1990.
| A．joined | B．has been in | C．has joined | D．had joined |
I haven’t seen her _____.
| A．two weeks ago | B．since two weeks |
| C．for two weeks | D．before two weeks |
Don’t get that ink on the shirt, for it _____.
| A．doesn’t wash out | B．won’t be washing out |
| C．isn’t washing out | D．won’t wash out |
Continue heating until steam _____.
| A．has appeared | B．appear | C．appeared | D．will appear |
It is getting late. It’s time we _____.
| A．go | B．went | C．are going | D．must go |