Điền cụm động từ, 1. If you really want to lose weight,  you need to.......................................eating desserts

Điền cụm động từ
1. If you really want to lose weight,  you need to.......................................eating desserts.
2. Let's.............the grammar one more time before the test.
3. We'd better stop soon. Otherwise, we'll...............of gas.
4. Look Magda, I've....................You bad behaviour long enough!