—Waiter, what about my coffee? I______ for over 10 minutes.—Sorry, sir. It will just be a moment
#101939
A
am waiting
B
was waiting
C
had waited
D
have been waiting
推荐题目
Even if your suggestions are ，at least you have tried your best．
#101587
A
taken
B
followed
C
denied
D
banned
My parents have promised to come to see me before I _________ for Africa.
#101964
A
have left
B
leave
C
left
D
will leave
He said that his car __________ stolen and he ________ have to telephone the police.
#101830
A
was; would
B
has been; will
C
had been; would
D
had been; will
Experiments of this kind _______in both the U.S. and Europe well before the Second World War started.
#100664
A
have conducted
B
have been conducted
C
had conducted
D
had been conducted
—Tommy is planning to buy a car.— I know. By next month, he ____ enough for a used one.
#100508
A
saves
B
saved
C
will save
D
will have saved