If he______ harder next time, he will catch up with us. [ ]A. work B. w

题型：同步题难度：来源：

If he______ harder next time, he will catch up with us.  [     ]
A. work
B. worked
C. works
D. working

答案

举一反三

You"ll do much better_______ you"re more careful with your spelling.   [     ]
A．if
B．before
C．although
D.   unless

题型：同步题难度：| 查看答案

They won"t be back until the work _____   [     ]
A. do
B. does
C. is done
D. will do

题型：同步题难度：| 查看答案

This is a very interesting book.I"ll buy it,_____ .       [     ]
A. how much may it cost
B. no matter how it may cost
C. however much it may cost
D. how may it cost

题型：同步题难度：| 查看答案

I"d like to arrive 20 minutes early _____ I can have time for a cup of tea.      [     ]
A. as soon as
B. as a result
C. in case
D. so that

题型：同步题难度：| 查看答案

I will tell him if I _____ him.[     ]
A. saw
B. will see
C. seeing
D. see

题型：同步题难度：| 查看答案