In the experiment we kept a watchful eye ________ the developments and recorded every detail.
Mr. Black _______ Shanghai in a few days. Do you know when the earliest plane _______ on Sunday.
---Does your wife like tea? ----Well, she doesn’t really ______ tea, she likes coffee better.
Every minute is made full _______ of _______ our lessons well.
---Nowadays children are bearing too heavy a learning burden. ---______. So much homework do they have to do that they almost have no time for other activities.
______ that many south-east Asian countries suffered a lot.