Choose the correct answer

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EX 4. Choose the correct answer.
1. 'What is it?' 'We won't know until ...........at it under a microscope!"
A we're going to look
C we'll be looking
B we'll have looked
D we've looked
2. You won't get any radio reception while.......... through the tunnel.
A you've driven
C you're driving
B you'll drive
D you'll be driving
3. 'I'm going to set up the equipment in a minute..........give you a hand?'
A Shall I
B Will I
C Would I
D Do I
NI