We will lose the game unless he ______ us. 
#103226
A
helps
B
helped
C
was helping
D
has helped
推荐题目
Large quantities of information___since then as to how the program has worked.
#99507
A
has been offered
B
were offered
C
have been offered
D
was offered
—Sorry, sir, your car isn’t ready yet. It _____ in the garage.―That’s all right.
#102997
A
is repaired
B
is being repaired
C
hasn’t repaired
D
has been repaired