The boy failed the English mid﹣term examination． Since then， he worked harder．（ ）
| A． |
At the moment |
B． |
In the future |
| C． |
In the past |
D． |
From then on |
The workers will complete the new bridge in ____________．（ ）
A．two and a half months
B．two months and half
C．two and a half month
Yangjiang，a famous female writer，_____________for about a month so far．（ ）
A．diedB．has been dead
C．has been died
The summer vacation is coming．I'm looking forward ___________ it．
Me too．（ ）
A．atB．toC．on
Though Betty and Lily are twins，Betty isn't so ____________ as Lily．（ ）
A．more outgoingB．most outgoing
C．outgoing
David，look at the man in black over there．Can you tell me ____________？
He is an engineer．（ ）
A．who is heB．who he is
C．what he does