问题
Be sure _______ when you enter the cave. Otherwise, you’ll hit your head on the rocks.
A:to bend
B:bends
C:will bend
D:bending;
B:bends
C:will bend
D:bending;
正确答案是：
同类题型
This morning mum said to me“ It’s going to rain. Don’t forget ______ a raincoat”.
There are only ten minutes left; can we walk ___________?
f our school ______ many barbecuestands, where many students like to go after school
It __________ great to watch Harry Potter on TVtonight.
People ______ not always win every time. So don’t lost heart when you fail.