___ the red switch on the left and the flying machine will swiftly go up into th

题型：同步题难度：来源：

___ the red switch on the left and the flying machine will swiftly go up into the air and ____its journey.     [     ]
A. Pressing; begins
B. Press; begin
C. Pressed; begins
D. To press; to begin

答案

举一反三

__________ your compositions carefully and some spelling mistakes can be avoided.[     ]
A. Having checked
B. Check
C. If you check
D. To check

题型：山东省模拟题难度：| 查看答案

________ yourself with positive people and you will keep focused on what you can do instead
of what you can’t.     [     ]
A. Surrounding
B. Surrounded
C. Having surrounded
D. Surround

题型：江苏期末题难度：| 查看答案

____ the tower building,where you see the whole city.[      ]
A. Standing on the top of
B .If you climb to
C. When you reach the top of
D. Get to the top of

题型：山东省模拟题难度：| 查看答案

Please do me a favor-_____ my friend Mr. Smith to Youth Theater at 7:30 tonight.[     ]
A. to invite
B. inviting
C. invited
D. invite

题型：浙江省期末题难度：| 查看答案

Please do me a favor - my uncle John to the party this Thursday.[ ]

A. to invite
B. inviting
C. invite
D. invited

题型：天津同步题难度：| 查看答案