If they ______ what I was saying, they'd know what I was talking about.
A. took the trouble to listen to B. had trouble listening to
C. take the trouble to listen to D. have trouble listening to
--- Learning a language isn't easy. It takes time.
--- I agree. ______. There's no short cut.
A. All roads lead to Rome B. Rome wasn't built in a day
C. Practice makes perfect D. Slow but sure wins the race
--- You didn't lock the back door.
--- You are wrong. I ______.
A. have locked it B. lock it myself C. did lock it D. do lock it
--What do you think of French?
--In my opinion, French is _______ English
A. a subject so difficult as B. as difficult a subject as
C. as a subject difficult as D. difficult as subject as
It is _______ he often fails in exam_______ makes his parents worried about him.
A. because, that B. that, that C. 不填, that D. what, that
With more forests being destroyed, huge quantities of good earth each year.
A. is washing away B. is being washed away
C. are washing away D. are being washed away
