【题目】既然你拿到了驾照，为什么不自己开车呢？
you have got your license, drive the car yourself?

【题目】我想不明白的是为什么他老是上课迟到。
I can't understand is he is always class.

【题目】火星上有没有人类还不确定。
is uncertain on Mars.

A.to repair; to takeB.repairing; to take

C.to be repaired; takingD.repairing; taking

A.are builtB.are building

C.have builtD.are being built

【题目】If ______ to look after luggage for someone else, inform the police at once.
A.asked
B.to ask
C.asking
D.having asked

【题目】He wrote a letter ______ he explained what had happened in the accident.
A.what
B.which
C.where
D.how

【题目】Animals are obviously ______ lower form of life than _______ man.
A.a ; /
B.the ; the
C.a ; the
D./ ; /

【题目】我们对于他所做的感到非常惊讶。
We are amazed .