Last week a tennis ball hit me on the head, but I tried to _______ the pain, believing that it would go away sooner or later.
Cars, buses and bikes ________ stop when the traffic lights turn red.
_______ we got to the station, the train had left already.
Tom kept quiet about the accident _____ lose his job.
He is very old, ______ he still works very hard.
I rang you several times yesterday but couldn’t ______.