．_______ we couldn’t understand was _______ more and more students went abroad after graduation

The threestorey building, ________in the 18th century, was turned into a museum in 1960 [ ]

Is this the young engineer ________ you want to have ________ the computer for me?

Smoking and drunkenness are both bad for people’s health.—Yes. So we should _____ cigarettes and alcohol.

One of you will have to go therebesides me.— Who would you rather _____ there withyou. Tom or I