If we practiced speaking English , we speak better .
A
Could
B
Could have
C
Can
D
would have
Correct Answer: Could
Conditional Sentence - এ If clause টি Past Indefinite Tense - এ থাকলে, বাকি অংশে Subject - এর পর would/ could / might + v1 + extension ব্যবহৃত হয়। কাজেই সঠিক উত্তর (ক)।