1. Transportation systems in big cities are often …………………. those in the countryside. *
more reliable
more reliable than (so sánh hơn: S1+ be + more adj than + S2)
more reliably:(adv) than
reliable than
2. This building has been …………………… because it was no longer safe for people. *
pulled down (câu bị động ở thì HTHT)
pulling down
to pull down
pull down
3. It's not easy ……………. Japanese. *
to learn (Nó không dễ để học tiếng Nhật)
learns
learn
learning
4. How many balls of wool do you need to …………….. that sweater? *
do
weave (mặc áo dài tay)
knit
knitted
5. My father still hasn’t really (recovered: hồi phục) from the death of my mother. *
looked after
taken after
gone off
got over: đã vượt qua được