She can’t help ______ the house because she’s busy making a cake.
#95492
A
to clean
B
cleaning
C
cleaned
D
being cleaned
推荐题目
Now young people ___________to use computer to develop their ___________skills.
#95486
A
are trained/ problem solving
B
are being trained/ solving problem
C
are being taught/ problem solving
D
are taught/ solving problem
 Charles Babbage is generally considered ______ the first computer.
#97960
A
to invent  
B
inventing
C
to have invented
D
having invented
Paul doesn’t have to be made _______. He always works hard. 
#98634
A
learn
B
to learn
C
learned
D
learning
His actions could lead to him ______ his job. 
#94668
A
lose
B
losing
C
to lose
D
being lost