Optimise B1+ unnit 1 revision

That's a strange looking gadget. What ________ it is?

• do you think

• are you thinking

I have no idea. But I'm trying _____ it out.

• working

• to work

Lina is on the phone now. She _____ the computer technician.

• calls

• is calling

I hope he is able to _____ the problem.

• fix

• fixing

Dev, please stop ______ the net and do your homework.

• surfing

• to surf

I'm online because I ____, Mum.

• do

• am doing

I prefer sending text messages to ___ phone calls.

• make

• making

Me too, sending texts ______ time and money.

• saves

• is saving

Do you fancy ____ to the technology exhibition?

• to go

• going

I'd like to but ______ for the test at the moment.

• study

• am studying