I was very sad when the vet said he'd have to ________ Gertie, our lapdog. A. put down B. feel up to C. pull through D. wear off
Giải thích
Đáp án A
Put down: từ bỏ, thôi không giữ lại
Feel up to: đủ sức để làm gì
Pull through: qua khỏi
Wear off: phai nhạt