—Why? Where is the key to the sound lab?—Dear me! You _____ it in the taxi!
But for the help of John,he___last night
There was no taxi that day and I could do nothing but___there for another night
The problem is___but easy.I can’t work it out
The number of guests invited to the party___fifty,but a number of them ___absent for different reasons,which made him very disappointed
Animals often seem to know___that an earthquake is coming,and they show their fear by acting in strange ways