It is playing computer games _____he spends so much time that he fails all the exams. [ ]

Lunar Probe( 月球探测器) Chang’e-5________ into space this year. It will land on the moon and return with lunar samples(样品).

This cake is very sweet．You __________ a lot of sugar in it．

Long time no see!— I’ve just returned. I _______ to Beijing for a meeting last month.

Since I came to China I’ve known that about seven people _____ten speak Chinese[ ]