Since the project has been ___ on well, you must ___ it on until it is completed.
#101519
A
carrying, carry
B
going, carry
C
going, go
D
carrying, go
推荐题目
 —Why not take this road? It’s a short cut.  — I am afraid we can’t. It _____. 
#103329
A
is repaired
B
is being repaired
C
has repaired
D
is repairing
Ladies and gentlemen, please fasten your seat belts. The plane         . 
#101851
A
takes off
B
is taking off
C
has taken off
D
took off