A good night's sleep is a ______of having good recall in the weeks ahead, scientists have found.
A: appeal
B: call
C: request
D: prerequisite
A: appeal
B: call
C: request
D: prerequisite
举一反三
- It’s three weeks since I last had a good night’s sleep. = I _______ a good night’s sleep for three weeks.
- It's three weeks since I last _____ a good night's sleep. A: have B: has C: had D: having
- He _______a good night’s sleep yesterday A: has B: have C: had
- You should try to get a good night’s sleep ________ much work you have to do
- It's three weeks since I last had a good night's sleep.