Science/scientist
chemistry
chemist
Do you always use the same u_____ and password?
user
Yesterday I updated/revised my social media profile.
updated
I had / was having a shower when you called.
was having.
biology
biologist
How many t_____ messages do you usually send a day?
text
How do I post/send this photo on Insatgram?
post
Isaac Newton was sitting under the tree when an apple was falling/fell on his head.
fell
maths
mathematician
Have you got a d______ computer or a laptop?
desktop
When I do/make experiments, it's not always a success.
do
What were you doing/did you do at six o'clock on 23rd October?
were doing
astronomy
astronomer
Which _____ browser do you use?
web
Marie Curie invented/discovered radium,
discovered
We weren't skiing/didn't ski when we heard/were hearing about the avalanche.
weren't skiing
heard
physics
physicist
Have you got a reliable _______ connection with fast download speeds?
broadband
Please take/do the important measurements this afternoon.
take
He filmed/was filming a giant squid when a shark appeared/was appearing.
was filming
appeared