an electronic typewriter ,we can getevenly typed characters regardless of the pressure ________we strike the keys.

The coach asked his staff to ______the large group of journalists waiting for him to announce his training plans.

The box ______ a lot of coins, ______ an old Chinese one

____you ____London before–No, never, but I went to England last year

下列日常情景中，语言表达正确得体的一句是（3分）