[ Perfect Tenses of Verbs ]
By next Thursday, we will have built the set for the play.
A. present perfect
B. past perfect
C. future perfect
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Relative Clauses and Usage › ViewI ______ go to the grocery store this morning; we were out of milk.
A. don’t had to
B. had to
C. didn’t have to
D. has to
Grammar › View
The red line parking ticket（罰單）＿＿＿ Noah NT$900.
A. cost
B. took
C. paid
D. spent
Grammar › ViewWilliam _________ his brother to multiply.
A. was teach
B. taught
C. teached
D. was taught
TOEFL › View
The helicopter is able to hover in ___________ powered rotors produce lift even at zero forward speed.
A. flight because of the
B. flying the
C. the flying of the
D. flight because the