She __________ her English homework, so she's watching TV in her room.

They __________ a battery that lasts longer than a full week yet.

__________ scientists __________ any new elements on other planets in recent years?

We __________ this powerful antivirus software since the beginning of last year.

The software __________ at all this month, which is surprisingly good news.

How long __________ the developers __________ the security of this new messaging app?

The school __________ a community clean-up event twice this semester.

The committee __________ the important contract document so far this afternoon.

__________ you ever __________ your passport while travelling alone in a foreign country?

She __________ to the university's large science laboratory since last term ended.