Passive Voice (mixed tenses)

In the last few years, self driving systems for lorries and buses _______(develop)

• are being developed

• have been developed

• were developed

Answer explanation

We use present perfect to talk about a present result

Logistics and new technologies _______ (talk about ) at the commercial vehicles trade show earlier this year

• were talked about

• have been talked about

• were being talked about

Answer explanation

We use past simple to talk about an event in the past. It is also possible to use past continuous to describe somethin that is temporary

A self-driving lorry ________ (already/design) by ZF, the German car parts maker

New technology that ________ (develop) for lorries in recent years ______(not/develop/yet) in self-driving cars.

• is being developed/ haven't been developed

• was developed/hasn't been developed yet

• has been developed/hasn't been developed yet

In a self-driving lorry, the driver can rest while the goods _____(take off) and then _____(put on) the lorry

In the future, logistical tasks such as processing shipping documents _____(do) by drivers.

Answer explanation

will and be going to can be both used for predictions

A new battery-powered van _________ (just/reveal) by Daimler.

Mercedes-Benz have shown that a delivery van _____(can/make) without pedals or a steering wheel